diff --git a/PCbuild/liblzma.vcxproj b/PCbuild/liblzma.vcxproj
index 711f9bd64ff..4ace9d945f4 100644
--- a/PCbuild/liblzma.vcxproj
+++ b/PCbuild/liblzma.vcxproj
@@ -64,6 +64,7 @@
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(lzmaDir)windows;$(lzmaDir)src/liblzma/common;$(lzmaDir)src/common;$(lzmaDir)src/liblzma/api;$(lzmaDir)src/liblzma/check;$(lzmaDir)src/liblzma/delta;$(lzmaDir)src/liblzma/lz;$(lzmaDir)src/liblzma/lzma;$(lzmaDir)src/liblzma/rangecoder;$(lzmaDir)src/liblzma/simple</AdditionalIncludeDirectories>
+      <DisableSpecificWarnings>4028;4113;4244;4267;4996</DisableSpecificWarnings>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/PCbuild/openssl.props b/PCbuild/openssl.props
index 0de4e43410d..0fc8adc9702 100644
--- a/PCbuild/openssl.props
+++ b/PCbuild/openssl.props
@@ -16,6 +16,7 @@
     <PreprocessorDefinitions Include="L_ENDIAN" />
     <PreprocessorDefinitions Include="_CRT_SECURE_NO_WARNINGS" />
     <PreprocessorDefinitions Include="_CRT_SECURE_NO_DEPRECATE" />
+    <PreprocessorDefinitions Include="_WINSOCK_DEPRECATED_NO_WARNINGS" />
     <PreprocessorDefinitions Include="OPENSSL_THREADS" />
     <!-- <PreprocessorDefinitions Include="OPENSSL_SYSNAME_WIN32" /> -->
     <PreprocessorDefinitions Include="OPENSSL_IA32_SSE2" />
diff --git a/PCbuild/pcbuild.sln b/PCbuild/pcbuild.sln
index 4da58498ee6..280c486703d 100644
--- a/PCbuild/pcbuild.sln
+++ b/PCbuild/pcbuild.sln
@@ -9,6 +9,9 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "python", "python.vcxproj", "{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}"
+	ProjectSection(ProjectDependencies) = postProject
+		{0E9791DB-593A-465F-98BC-681011311618} = {0E9791DB-593A-465F-98BC-681011311618}
+	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pythoncore", "pythoncore.vcxproj", "{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}"
 EndProject
diff --git a/PCbuild/tix.vcxproj b/PCbuild/tix.vcxproj
index d1bc0aba302..7d6d8ca8a65 100644
--- a/PCbuild/tix.vcxproj
+++ b/PCbuild/tix.vcxproj
@@ -59,6 +59,7 @@
     <TixDirs>BUILDDIRTOP="$(BuildDirTop)" TCL_DIR="$(tclDir.TrimEnd(`\`))" TK_DIR="$(tkDir.TrimEnd(`\`))" INSTALL_DIR="$(OutDir.TrimEnd(`\`))"</TixDirs>
     <DebugFlags Condition="'$(Configuration)' == 'Debug'">DEBUG=1 NODEBUG=0 TCL_DBGX=g TK_DBGX=g</DebugFlags>
     <DebugFlags Condition="'$(Configuration)' != 'Debug'">DEBUG=0 NODEBUG=1</DebugFlags>
+    <CFlags>-c -W3 -nologo -MD -wd4028 -wd4090</CFlags>
     <NMakeBuildCommandLine>setlocal
 @(ExpectedOutputs->'if not exist "%(FullPath)" goto build','
 ')
@@ -66,7 +67,7 @@ goto :eof
 :build
 set VCINSTALLDIR=$(VCInstallDir)
 cd /D "$(tixDir)win"
-nmake /nologo -f makefile.vc MACHINE=$(TclMachine) $(DebugFlags) $(TclShortVersions) $(TixDirs) all install
+nmake /nologo -f makefile.vc MACHINE=$(TclMachine) cflags="$(CFlags)" $(DebugFlags) $(TclShortVersions) $(TixDirs) all install
 </NMakeBuildCommandLine>
     <NMakeCleanCommandLine>rmdir /q/s "$(OutDir.TrimEnd(`\`))"</NMakeCleanCommandLine>
   </PropertyGroup>