diff --git a/PCbuild9/_bsddb.vcproj b/PCbuild9/_bsddb.vcproj
index c613fd644c3..66209641530 100644
--- a/PCbuild9/_bsddb.vcproj
+++ b/PCbuild9/_bsddb.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -43,7 +43,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -58,9 +57,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Debug\libdb44sd.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -110,7 +106,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -125,9 +120,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Debug_AMD64\libdb44sd.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -176,11 +168,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -195,11 +183,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Release\libdb44s.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -249,11 +232,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -268,11 +247,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Release_AMD64\libdb44s.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -321,11 +295,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -340,11 +310,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Release\libdb44s.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -394,11 +359,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -413,11 +374,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Release_AMD64\libdb44s.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 				TargetMachine="17"
 			/>
@@ -467,11 +423,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -486,11 +438,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Release\libdb44s.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -540,11 +487,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bsddbDir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -559,11 +502,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bsddbDir)\Release_AMD64\libdb44s.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/_ctypes.vcproj b/PCbuild9/_ctypes.vcproj
index a6f0f0bfef1..6b95a71ea56 100644
--- a/PCbuild9/_ctypes.vcproj
+++ b/PCbuild9/_ctypes.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -43,7 +43,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -56,10 +55,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 			/>
 			<Tool
@@ -109,7 +104,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -122,10 +116,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 			/>
 			<Tool
@@ -174,11 +164,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -193,8 +179,6 @@
 				Name="VCLinkerTool"
 				AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
 				SubSystem="0"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 			/>
 			<Tool
@@ -244,11 +228,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -263,8 +243,6 @@
 				Name="VCLinkerTool"
 				AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
 				SubSystem="0"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 			/>
 			<Tool
@@ -313,11 +291,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -332,8 +306,6 @@
 				Name="VCLinkerTool"
 				AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
 				SubSystem="0"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 			/>
 			<Tool
@@ -383,11 +355,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -402,8 +370,6 @@
 				Name="VCLinkerTool"
 				AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
 				SubSystem="0"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 				TargetMachine="17"
 			/>
@@ -453,11 +419,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -472,8 +434,6 @@
 				Name="VCLinkerTool"
 				AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
 				SubSystem="0"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 			/>
 			<Tool
@@ -523,11 +483,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\_ctypes\libffi_msvc"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -542,8 +498,6 @@
 				Name="VCLinkerTool"
 				AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
 				SubSystem="0"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D1A0000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/_ctypes_test.vcproj b/PCbuild9/_ctypes_test.vcproj
index 0805ebdac9d..3f3a112da26 100644
--- a/PCbuild9/_ctypes_test.vcproj
+++ b/PCbuild9/_ctypes_test.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,7 +42,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -55,9 +54,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -105,7 +101,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -118,9 +113,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -168,10 +160,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -184,11 +172,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -237,10 +220,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -253,11 +232,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -305,10 +279,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -321,11 +291,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -374,10 +339,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -390,11 +351,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -443,10 +399,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -459,11 +411,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -512,10 +459,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -528,11 +471,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
diff --git a/PCbuild9/_elementtree.vcproj b/PCbuild9/_elementtree.vcproj
index 563554aa6a1..5b8a81a053c 100644
--- a/PCbuild9/_elementtree.vcproj
+++ b/PCbuild9/_elementtree.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -44,7 +44,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -58,9 +57,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D100000"
 			/>
 			<Tool
@@ -111,7 +107,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -125,9 +120,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D100000"
 			/>
 			<Tool
@@ -176,12 +168,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -195,11 +183,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D100000"
 			/>
 			<Tool
@@ -249,12 +232,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -268,11 +247,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D100000"
 			/>
 			<Tool
@@ -321,12 +295,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -340,11 +310,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D100000"
 			/>
 			<Tool
@@ -394,12 +359,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -413,11 +374,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D100000"
 				TargetMachine="17"
 			/>
@@ -467,12 +423,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -486,11 +438,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D100000"
 			/>
 			<Tool
@@ -540,12 +487,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="..\Modules\expat"
 				PreprocessorDefinitions="XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -559,11 +502,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D100000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/_msi.vcproj b/PCbuild9/_msi.vcproj
index bc2f68d8809..cd57d1ed95e 100644
--- a/PCbuild9/_msi.vcproj
+++ b/PCbuild9/_msi.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,7 +42,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -56,9 +55,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D160000"
 			/>
 			<Tool
@@ -107,7 +103,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -121,9 +116,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D160000"
 			/>
 			<Tool
@@ -172,10 +164,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -189,11 +177,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D160000"
 			/>
 			<Tool
@@ -243,10 +226,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -260,11 +239,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D160000"
 			/>
 			<Tool
@@ -313,10 +287,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -330,11 +300,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D160000"
 			/>
 			<Tool
@@ -384,10 +349,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -401,11 +362,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D160000"
 				TargetMachine="17"
 			/>
@@ -455,10 +411,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -472,11 +424,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D160000"
 			/>
 			<Tool
@@ -526,10 +473,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -543,11 +486,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D160000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/_socket.vcproj b/PCbuild9/_socket.vcproj
index afdc1a1f5b8..ede93e342e2 100644
--- a/PCbuild9/_socket.vcproj
+++ b/PCbuild9/_socket.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,7 +42,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -56,9 +55,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e1D0000"
 			/>
 			<Tool
@@ -107,7 +103,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -121,9 +116,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e1D0000"
 			/>
 			<Tool
@@ -172,10 +164,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -189,11 +177,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1D0000"
 			/>
 			<Tool
@@ -243,10 +226,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -260,11 +239,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1D0000"
 			/>
 			<Tool
@@ -313,10 +287,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -330,11 +300,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1D0000"
 			/>
 			<Tool
@@ -384,10 +349,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -401,11 +362,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1D0000"
 				TargetMachine="17"
 			/>
@@ -455,10 +411,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -472,11 +424,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1D0000"
 			/>
 			<Tool
@@ -526,10 +473,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -543,11 +486,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1D0000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/_sqlite3.vcproj b/PCbuild9/_sqlite3.vcproj
index e0852140792..1ae95c27fcc 100644
--- a/PCbuild9/_sqlite3.vcproj
+++ b/PCbuild9/_sqlite3.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -44,7 +44,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -59,9 +58,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -112,7 +108,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -127,9 +122,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -178,12 +170,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -198,11 +186,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -252,12 +235,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -272,11 +251,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -325,12 +299,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -345,11 +315,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -399,12 +364,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -419,11 +380,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 				TargetMachine="17"
 			/>
@@ -473,12 +429,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -493,11 +445,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 			/>
 			<Tool
@@ -547,12 +494,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(sqlite3Dir)"
 				PreprocessorDefinitions="MODULE_NAME=\&quot;sqlite3\&quot;"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -567,11 +510,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(sqlite3Dir)\$(PlatformName)\sqlite3.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e180000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/_ssl.vcproj b/PCbuild9/_ssl.vcproj
index ef215977606..c47897021a9 100644
--- a/PCbuild9/_ssl.vcproj
+++ b/PCbuild9/_ssl.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -44,7 +44,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(opensslDir)\inc32"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -59,9 +58,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out32\libeay32.lib $(opensslDir)\out32\ssleay32.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -111,7 +107,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(opensslDir)\inc64"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -126,9 +121,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out64\libeay32.lib $(opensslDir)\out64\ssleay32.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -161,7 +153,7 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a&#x0D;&#x0A;"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -177,11 +169,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(opensslDir)\inc32"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -196,11 +184,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out32\libeay32.lib $(opensslDir)\out32\ssleay32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -233,7 +216,7 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a&#x0D;&#x0A;"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -250,11 +233,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(opensslDir)\inc64"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -269,11 +248,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out64\libeay32.lib $(opensslDir)\out64\ssleay32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -306,7 +280,7 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a&#x0D;&#x0A;"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -322,11 +296,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(opensslDir)\inc32"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -341,11 +311,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out32\libeay32.lib $(opensslDir)\out32\ssleay32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -378,7 +343,7 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a&#x0D;&#x0A;"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -395,11 +360,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(opensslDir)\inc64"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -414,11 +375,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out64\libeay32.lib $(opensslDir)\out64\ssleay32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -452,7 +408,7 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a&#x0D;&#x0A;"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -468,11 +424,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(opensslDir)\inc32"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -487,11 +439,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out32\libeay32.lib $(opensslDir)\out32\ssleay32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -524,7 +471,7 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;$(OutDir)python.exe build_ssl.py Release $(PlatformName) -a&#x0D;&#x0A;"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -541,11 +488,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(opensslDir)\inc64"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -560,11 +503,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="ws2_32.lib $(opensslDir)\out64\libeay32.lib $(opensslDir)\out64\ssleay32.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
diff --git a/PCbuild9/_testcapi.vcproj b/PCbuild9/_testcapi.vcproj
index 79e727a5023..06fd00bad02 100644
--- a/PCbuild9/_testcapi.vcproj
+++ b/PCbuild9/_testcapi.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,7 +42,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -55,9 +54,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e1F0000"
 			/>
 			<Tool
@@ -106,7 +102,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -119,9 +114,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1e1F0000"
 			/>
 			<Tool
@@ -170,10 +162,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -186,11 +174,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1F0000"
 			/>
 			<Tool
@@ -240,10 +223,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -256,11 +235,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1F0000"
 			/>
 			<Tool
@@ -309,10 +283,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -325,11 +295,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1F0000"
 			/>
 			<Tool
@@ -379,10 +344,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -395,11 +356,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1F0000"
 				TargetMachine="17"
 			/>
@@ -449,10 +405,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -465,11 +417,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1F0000"
 			/>
 			<Tool
@@ -519,10 +466,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -535,11 +478,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e1F0000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/_tkinter.vcproj b/PCbuild9/_tkinter.vcproj
index 18592da1d18..4c6baa61f3e 100644
--- a/PCbuild9/_tkinter.vcproj
+++ b/PCbuild9/_tkinter.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -44,7 +44,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -58,9 +57,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -110,7 +106,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -124,9 +119,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -174,12 +166,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -193,11 +181,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -246,12 +229,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -265,11 +244,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -317,12 +291,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -336,11 +306,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -389,12 +354,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -408,11 +369,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -461,12 +417,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -480,11 +432,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -533,12 +480,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(tcltkDir)\include"
 				PreprocessorDefinitions="WITH_APPINIT"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -552,11 +495,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(tcltkDir)\lib\tcl84.lib $(tcltkDir)\lib\tk84.lib $(tcltkDir)\lib\tix8.4\tix84.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
diff --git a/PCbuild9/bz2.vcproj b/PCbuild9/bz2.vcproj
index 6c97d236acd..e6d6ca122d9 100644
--- a/PCbuild9/bz2.vcproj
+++ b/PCbuild9/bz2.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -43,7 +43,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -59,9 +58,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Debug\libbz2.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -110,7 +106,6 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -126,9 +121,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Debug\libbz2.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -176,11 +168,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -196,11 +184,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Release\libbz2.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -249,11 +232,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -269,11 +248,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Release\libbz2.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -321,11 +295,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -341,11 +311,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Release\libbz2.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -394,11 +359,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -414,11 +375,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Release\libbz2.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -467,11 +423,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -487,11 +439,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Release\libbz2.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -540,11 +487,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="$(bz2Dir)"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -560,11 +503,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="$(bz2Dir)\$(PlatformName)-Release\libbz2.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
diff --git a/PCbuild9/make_buildinfo.vcproj b/PCbuild9/make_buildinfo.vcproj
index f3cd0f3dd7a..8ba5c49a9e2 100644
--- a/PCbuild9/make_buildinfo.vcproj
+++ b/PCbuild9/make_buildinfo.vcproj
@@ -23,7 +23,7 @@
 			Name="Release|Win32"
 			ConfigurationType="1"
 			InheritedPropertySheets=".\pyproject.vsprops"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -46,7 +46,6 @@
 				InlineFunctionExpansion="1"
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				RuntimeLibrary="0"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -60,12 +59,8 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)/make_buildinfo.exe"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
 				ProgramDatabaseFile="$(TargetDir)$(TargetName).pdb"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -91,9 +86,8 @@
 		</Configuration>
 		<Configuration
 			Name="Release|x64"
-			OutputDirectory="$(SolutionDir)$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
 			ConfigurationType="1"
+			InheritedPropertySheets=".\pyproject.vsprops;.\x64.vsprops"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
diff --git a/PCbuild9/make_versioninfo.vcproj b/PCbuild9/make_versioninfo.vcproj
index fb192c03f9f..5bbf21ef44f 100644
--- a/PCbuild9/make_versioninfo.vcproj
+++ b/PCbuild9/make_versioninfo.vcproj
@@ -32,7 +32,7 @@
 			<Tool
 				Name="VCCustomBuildTool"
 				Description="Build PC/pythonnt_rc(_d).h"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\pythonnt_rc.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\pythonnt_rc.h&#x0D;&#x0A;"
 				Outputs="$(SolutionDir)..\PC\pythonnt_rc.h"
 			/>
 			<Tool
@@ -48,12 +48,12 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				InlineFunctionExpansion="1"
+				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -69,11 +69,8 @@
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
 				OutputFile="$(SolutionDir)make_versioninfo.exe"
-				GenerateDebugInformation="true"
 				ProgramDatabaseFile="$(TargetDir)$(TargetName).pdb"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 			/>
 			<Tool
@@ -96,14 +93,13 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\python_nt.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\python_nt.h&#x0D;&#x0A;"
 			/>
 		</Configuration>
 		<Configuration
 			Name="Release|x64"
-			OutputDirectory="$(SolutionDir)$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
 			ConfigurationType="1"
+			InheritedPropertySheets=".\pyproject.vsprops;.\x64.vsprops"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -111,7 +107,7 @@
 			<Tool
 				Name="VCCustomBuildTool"
 				Description="Build PC/pythonnt_rc(_d).h"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\pythonnt_rc.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\pythonnt_rc.h&#x0D;&#x0A;"
 				Outputs="$(SolutionDir)..\PC\pythonnt_rc.h"
 			/>
 			<Tool
@@ -125,6 +121,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				EnableIntrinsicFunctions="true"
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 			/>
 			<Tool
@@ -160,7 +159,7 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\python_nt.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo.exe &gt; ..\PC\python_nt.h&#x0D;&#x0A;"
 			/>
 		</Configuration>
 		<Configuration
@@ -171,7 +170,7 @@
 			InheritedPropertySheets=".\pyproject.vsprops"
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -179,7 +178,7 @@
 			<Tool
 				Name="VCCustomBuildTool"
 				Description="Build PC/pythonnt_rc(_d).h"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\pythonnt_rc_d.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\pythonnt_rc_d.h&#x0D;&#x0A;"
 				Outputs="$(SolutionDir)..\PC\pythonnt_rc_d.h"
 			/>
 			<Tool
@@ -193,14 +192,14 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
+				Optimization="0"
 				InlineFunctionExpansion="1"
+				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="_DEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -216,11 +215,8 @@
 				Name="VCLinkerTool"
 				AdditionalDependencies="odbccp32.lib"
 				OutputFile="$(SolutionDir)make_versioninfo_d.exe"
-				GenerateDebugInformation="true"
 				ProgramDatabaseFile="$(TargetDir)$(TargetName).pdb"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 			/>
 			<Tool
@@ -243,14 +239,13 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\python_nt_d.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\python_nt_d.h&#x0D;&#x0A;"
 			/>
 		</Configuration>
 		<Configuration
 			Name="Debug|x64"
-			OutputDirectory="$(SolutionDir)$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
 			ConfigurationType="1"
+			InheritedPropertySheets=".\pyproject.vsprops;.\x64.vsprops"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -258,7 +253,7 @@
 			<Tool
 				Name="VCCustomBuildTool"
 				Description="Build PC/pythonnt_rc(_d).h"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\pythonnt_rc_d.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\pythonnt_rc_d.h&#x0D;&#x0A;"
 				Outputs="$(SolutionDir)..\PC\pythonnt_rc_d.h"
 			/>
 			<Tool
@@ -273,6 +268,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
+				Optimization="0"
+				InlineFunctionExpansion="1"
+				EnableIntrinsicFunctions="false"
 				PreprocessorDefinitions="_DEBUG;_CONSOLE"
 			/>
 			<Tool
@@ -309,7 +307,7 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\python_nt_d.h"
+				CommandLine="cd $(SolutionDir)&#x0D;&#x0A;make_versioninfo_d.exe &gt; ..\PC\python_nt_d.h&#x0D;&#x0A;"
 			/>
 		</Configuration>
 	</Configurations>
diff --git a/PCbuild9/pyd_d.vsprops b/PCbuild9/pyd_d.vsprops
index 8fc10b98588..3113381daa4 100644
--- a/PCbuild9/pyd_d.vsprops
+++ b/PCbuild9/pyd_d.vsprops
@@ -9,6 +9,7 @@
 		Name="VCCLCompilerTool"
 		Optimization="0"
 		InlineFunctionExpansion="0"
+		EnableIntrinsicFunctions="false"
 		PreprocessorDefinitions="_DEBUG"
 		RuntimeLibrary="3"
 	/>
diff --git a/PCbuild9/pyexpat.vcproj b/PCbuild9/pyexpat.vcproj
index 5693c1cf865..6d8050b80f7 100644
--- a/PCbuild9/pyexpat.vcproj
+++ b/PCbuild9/pyexpat.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -44,7 +44,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -57,9 +56,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -109,7 +105,6 @@
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -122,9 +117,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -172,12 +164,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -190,11 +178,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -243,12 +226,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -261,11 +240,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -313,12 +287,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -331,11 +301,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -384,12 +349,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -402,11 +363,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -455,12 +411,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -473,11 +425,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -526,12 +473,8 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\..\Modules\expat"
 				PreprocessorDefinitions="PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -544,11 +487,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
diff --git a/PCbuild9/pyproject.vsprops b/PCbuild9/pyproject.vsprops
index 76a7733be1d..2f72c2beb4a 100644
--- a/PCbuild9/pyproject.vsprops
+++ b/PCbuild9/pyproject.vsprops
@@ -10,6 +10,7 @@
 		Name="VCCLCompilerTool"
 		Optimization="2"
 		InlineFunctionExpansion="1"
+		EnableIntrinsicFunctions="true"
 		AdditionalIncludeDirectories="..\Include; ..\PC"
 		PreprocessorDefinitions="WIN32;_CRT_SECURE_NO_DEPRECATE"
 		StringPooling="true"
diff --git a/PCbuild9/python.vcproj b/PCbuild9/python.vcproj
index 0d69dcf9d89..f362f05f03b 100644
--- a/PCbuild9/python.vcproj
+++ b/PCbuild9/python.vcproj
@@ -42,14 +42,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -69,8 +66,6 @@
 				OutputFile="$(OutDir)\python.exe"
 				SubSystem="1"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 			/>
 			<Tool
@@ -121,14 +116,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -148,8 +140,6 @@
 				OutputFile="$(OutDir)\python.exe"
 				SubSystem="1"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 			/>
 			<Tool
@@ -180,7 +170,7 @@
 			InheritedPropertySheets=".\pyproject.vsprops"
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -200,10 +190,10 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
+				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="_DEBUG;_CONSOLE"
 				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
 				BrowseInformation="1"
 				CompileAs="0"
 			/>
@@ -276,10 +266,10 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
+				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="_DEBUG;_CONSOLE"
 				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
 				BrowseInformation="1"
 				CompileAs="0"
 			/>
@@ -350,14 +340,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -377,8 +364,6 @@
 				OutputFile="$(OutDir)\python.exe"
 				SubSystem="1"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 			/>
 			<Tool
@@ -429,14 +414,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -456,8 +438,6 @@
 				OutputFile="$(OutDir)\python.exe"
 				SubSystem="1"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 				TargetMachine="17"
 			/>
@@ -508,14 +488,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -535,8 +512,6 @@
 				OutputFile="$(OutDir)\python.exe"
 				SubSystem="1"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 			/>
 			<Tool
@@ -587,14 +562,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -614,8 +586,6 @@
 				OutputFile="$(OutDir)\python.exe"
 				SubSystem="1"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/pythoncore.vcproj b/PCbuild9/pythoncore.vcproj
index 6ef6d472253..a09c6246d1d 100644
--- a/PCbuild9/pythoncore.vcproj
+++ b/PCbuild9/pythoncore.vcproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="Windows-1252"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9.00"
+	Version="9,00"
 	Name="pythoncore"
 	ProjectGUID="{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}"
 	RootNamespace="pythoncore"
@@ -46,7 +46,6 @@
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="NDEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="2"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -68,8 +67,6 @@
 				OutputFile="$(OutDir)\$(PyDllName).dll"
 				IgnoreDefaultLibraryNames="libc"
 				ProgramDatabaseFile="$(OutDir)$(PyDllName).pdb"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e000000"
 				ImportLibrary="$(OutDir)$(PyDllName).lib"
 			/>
@@ -124,7 +121,6 @@
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="NDEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="2"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -146,8 +142,6 @@
 				OutputFile="$(OutDir)\$(PyDllName).dll"
 				IgnoreDefaultLibraryNames="libc"
 				ProgramDatabaseFile="$(OutDir)$(PyDllName).pdb"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e000000"
 				ImportLibrary="$(OutDir)$(PyDllName).lib"
 			/>
@@ -179,6 +173,7 @@
 			InheritedPropertySheets=".\pyproject.vsprops"
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -200,10 +195,10 @@
 				AdditionalOptions="/Zm200 "
 				Optimization="0"
 				InlineFunctionExpansion="0"
+				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="_DEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -278,10 +273,10 @@
 				AdditionalOptions="/Zm200 "
 				Optimization="0"
 				InlineFunctionExpansion="0"
+				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="_DEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -356,7 +351,6 @@
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="NDEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="2"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -378,8 +372,6 @@
 				OutputFile="$(OutDir)\$(PyDllName).dll"
 				IgnoreDefaultLibraryNames="libc"
 				ProgramDatabaseFile="$(OutDir)$(PyDllName).pdb"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e000000"
 				ImportLibrary="$(OutDir)$(PyDllName).lib"
 			/>
@@ -434,7 +426,6 @@
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="NDEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="2"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -456,8 +447,6 @@
 				OutputFile="$(OutDir)\$(PyDllName).dll"
 				IgnoreDefaultLibraryNames="libc"
 				ProgramDatabaseFile="$(OutDir)$(PyDllName).pdb"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e000000"
 				ImportLibrary="$(OutDir)$(PyDllName).lib"
 				TargetMachine="17"
@@ -512,7 +501,6 @@
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="NDEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="2"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -534,8 +522,6 @@
 				OutputFile="$(OutDir)\$(PyDllName).dll"
 				IgnoreDefaultLibraryNames="libc"
 				ProgramDatabaseFile="$(OutDir)$(PyDllName).pdb"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e000000"
 				ImportLibrary="$(OutDir)$(PyDllName).lib"
 			/>
@@ -590,7 +576,6 @@
 				AdditionalIncludeDirectories="..\Python;..\Modules\zlib"
 				PreprocessorDefinitions="NDEBUG;USE_DL_EXPORT;_USRDLL"
 				RuntimeLibrary="2"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -612,8 +597,6 @@
 				OutputFile="$(OutDir)\$(PyDllName).dll"
 				IgnoreDefaultLibraryNames="libc"
 				ProgramDatabaseFile="$(OutDir)$(PyDllName).pdb"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1e000000"
 				ImportLibrary="$(OutDir)$(PyDllName).lib"
 				TargetMachine="17"
diff --git a/PCbuild9/pythonw.vcproj b/PCbuild9/pythonw.vcproj
index c8c5573ba48..4497ea63258 100644
--- a/PCbuild9/pythonw.vcproj
+++ b/PCbuild9/pythonw.vcproj
@@ -23,6 +23,7 @@
 			InheritedPropertySheets=".\pyproject.vsprops"
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,10 +43,10 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
+				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="_DEBUG;_WINDOWS"
 				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -62,7 +63,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw_d.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"
@@ -115,10 +115,10 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
+				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="_DEBUG;_WINDOWS"
 				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -135,7 +135,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw_d.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 			/>
@@ -185,14 +184,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -209,10 +205,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"
 			/>
@@ -263,14 +256,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -287,10 +277,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 			/>
 			<Tool
@@ -339,14 +326,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -363,10 +347,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"
 			/>
@@ -417,14 +398,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -441,10 +419,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 				TargetMachine="17"
 			/>
@@ -494,14 +469,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -518,10 +490,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"
 			/>
@@ -572,14 +541,11 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 				CompileAs="0"
 			/>
 			<Tool
@@ -596,10 +562,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				OutputFile="$(OutDir)\pythonw.exe"
-				SubSystem="2"
 				StackReserveSize="2000000"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1d000000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/select.vcproj b/PCbuild9/select.vcproj
index 7dc024acef1..43354531b4e 100644
--- a/PCbuild9/select.vcproj
+++ b/PCbuild9/select.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,7 +42,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -56,10 +55,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="2"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D110000"
 			/>
 			<Tool
@@ -108,7 +104,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -122,10 +117,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="2"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D110000"
 			/>
 			<Tool
@@ -174,10 +166,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -191,12 +179,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="1"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D110000"
 			/>
 			<Tool
@@ -246,10 +229,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -263,12 +242,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="1"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D110000"
 			/>
 			<Tool
@@ -317,10 +291,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -334,12 +304,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="1"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D110000"
 			/>
 			<Tool
@@ -389,10 +354,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -406,12 +367,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="1"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D110000"
 				TargetMachine="17"
 			/>
@@ -461,10 +417,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -478,12 +430,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="1"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D110000"
 			/>
 			<Tool
@@ -533,10 +480,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -550,12 +493,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="wsock32.lib"
-				LinkIncremental="1"
 				IgnoreDefaultLibraryNames="libc"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D110000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/unicodedata.vcproj b/PCbuild9/unicodedata.vcproj
index 817cd8db081..83fbc6a4a72 100644
--- a/PCbuild9/unicodedata.vcproj
+++ b/PCbuild9/unicodedata.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,7 +42,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -55,9 +54,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D120000"
 			/>
 			<Tool
@@ -106,7 +102,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -119,9 +114,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 				BaseAddress="0x1D120000"
 			/>
 			<Tool
@@ -170,10 +162,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -186,11 +174,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D120000"
 			/>
 			<Tool
@@ -240,10 +223,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -256,11 +235,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D120000"
 			/>
 			<Tool
@@ -309,10 +283,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -325,11 +295,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D120000"
 			/>
 			<Tool
@@ -379,10 +344,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -395,11 +356,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D120000"
 				TargetMachine="17"
 			/>
@@ -449,10 +405,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -465,11 +417,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D120000"
 			/>
 			<Tool
@@ -519,10 +466,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -535,11 +478,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				BaseAddress="0x1D120000"
 				TargetMachine="17"
 			/>
diff --git a/PCbuild9/w9xpopen.vcproj b/PCbuild9/w9xpopen.vcproj
index 837e3a513d8..8d4dbe8a461 100644
--- a/PCbuild9/w9xpopen.vcproj
+++ b/PCbuild9/w9xpopen.vcproj
@@ -24,7 +24,7 @@
 			InheritedPropertySheets=".\pyproject.vsprops"
 			UseOfMFC="0"
 			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -47,8 +47,6 @@
 				PreprocessorDefinitions="_DEBUG"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				UsePrecompiledHeader="0"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -61,7 +59,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				GenerateDebugInformation="true"
 				SubSystem="1"
 			/>
 			<Tool
@@ -116,8 +113,6 @@
 				PreprocessorDefinitions="_DEBUG"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				UsePrecompiledHeader="0"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -130,7 +125,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				GenerateDebugInformation="true"
 				SubSystem="1"
 			/>
 			<Tool
@@ -186,7 +180,6 @@
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -201,8 +194,6 @@
 				Name="VCLinkerTool"
 				GenerateDebugInformation="false"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -258,7 +249,6 @@
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -273,8 +263,6 @@
 				Name="VCLinkerTool"
 				GenerateDebugInformation="false"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -329,7 +317,6 @@
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -344,8 +331,6 @@
 				Name="VCLinkerTool"
 				GenerateDebugInformation="false"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -401,7 +386,6 @@
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -416,8 +400,6 @@
 				Name="VCLinkerTool"
 				GenerateDebugInformation="false"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -473,7 +455,6 @@
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -488,8 +469,6 @@
 				Name="VCLinkerTool"
 				GenerateDebugInformation="false"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -545,7 +524,6 @@
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -560,8 +538,6 @@
 				Name="VCLinkerTool"
 				GenerateDebugInformation="false"
 				SubSystem="1"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
diff --git a/PCbuild9/winsound.vcproj b/PCbuild9/winsound.vcproj
index df9310ce263..876ff520271 100644
--- a/PCbuild9/winsound.vcproj
+++ b/PCbuild9/winsound.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			ConfigurationType="2"
 			InheritedPropertySheets=".\pyd_d.vsprops"
-			CharacterSet="1"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -42,7 +42,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -56,9 +55,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -106,7 +102,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				UsePrecompiledHeader="0"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -120,9 +115,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -170,10 +162,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -187,11 +175,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -240,10 +223,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -257,11 +236,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -309,10 +283,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -326,11 +296,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -379,10 +344,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -396,11 +357,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool
@@ -449,10 +405,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -466,11 +418,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 			/>
 			<Tool
 				Name="VCALinkTool"
@@ -519,10 +466,6 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				EnableIntrinsicFunctions="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
@@ -536,11 +479,6 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="winmm.lib"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
 			<Tool