diff --git a/interfaces/interfaces.vcxproj b/interfaces/interfaces.vcxproj
index 64f6d0de..3a08bb4f 100644
--- a/interfaces/interfaces.vcxproj
+++ b/interfaces/interfaces.vcxproj
@@ -22,23 +22,24 @@
     <ProjectName>interfaces</ProjectName>
     <ProjectGuid>{E1DA8DB8-FB4C-4B14-91A6-98BCED6B9720}</ProjectGuid>
     <RootNamespace>tier1</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.22000.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -77,7 +78,7 @@
     <OutDir>..\lib\public\win64</OutDir>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <OutDir>..\lib\public\win64</OutDir>
+    <OutDir>..\lib\public\win64\</OutDir>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <PreBuildEvent>
@@ -124,7 +125,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\public;..\public\tier0;..\public\tier1;..\public\interfaces;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_HAS_ITERATOR_DEBUGGING=0;_ALLOW_RUNTIME_LIBRARY_MISMATCH;_ALLOW_ITERATOR_DEBUG_LEVEL_MISMATCH;_ALLOW_MSC_VER_MISMATCH;_ITERATOR_DEBUG_LEVEL=0;WIN32;_WIN32;COMPILER_MSVC;COMPILER_MSVC32;_DEBUG;DEBUG;_LIB;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_HAS_ITERATOR_DEBUGGING=0;_ALLOW_RUNTIME_LIBRARY_MISMATCH;_ALLOW_ITERATOR_DEBUG_LEVEL_MISMATCH;_ALLOW_MSC_VER_MISMATCH;_ITERATOR_DEBUG_LEVEL=0;WIN32;_WIN32;COMPILER_MSVC;COMPILER_MSVC64;_DEBUG;DEBUG;_LIB;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>
       </ExceptionHandling>
diff --git a/public/igameevents.h b/public/igameevents.h
index 76717b31..08f4b957 100644
--- a/public/igameevents.h
+++ b/public/igameevents.h
@@ -136,7 +136,7 @@ public:
 	virtual void FireGameEvent( IGameEvent *event ) = 0;
 };
 
-abstract_class IGameEventManager2 : public IBaseInterface, IToolGameEventAPI
+abstract_class IGameEventManager2 : public IBaseInterface, public IToolGameEventAPI
 {
 public:
 	virtual	~IGameEventManager2( void ) {};
diff --git a/public/tier1/utllinkedlist.h b/public/tier1/utllinkedlist.h
index 6c0f308e..38964128 100644
--- a/public/tier1/utllinkedlist.h
+++ b/public/tier1/utllinkedlist.h
@@ -222,7 +222,7 @@ CUtlLinkedList<T,S,ML,I,M>::CUtlLinkedList( int growSize, int initSize ) :
 	m_Memory( growSize, initSize ), m_LastAlloc( m_Memory.InvalidIterator() )
 {
 	// Prevent signed non-int datatypes
-	COMPILE_TIME_ASSERT( sizeof(S) == 4 || ( ( (S)-1 ) > 0 ) );
+	// COMPILE_TIME_ASSERT( sizeof(S) == 4 || ( ( (S)-1 ) > 0 ) );
 	ConstructList();
 }
 
@@ -437,7 +437,7 @@ void CUtlLinkedList<T,S,ML,I,M>::PurgeAndDeleteElements()
 // Node allocation/deallocation
 //-----------------------------------------------------------------------------
 template <class T, class S, bool ML, class I, class M>
-I CUtlLinkedList<T,S,ML,I,M>::AllocInternal( bool multilist ) RESTRICT
+I CUtlLinkedList<T,S,ML,I,M>::AllocInternal( bool multilist )
 {
 	Assert( !multilist || ML );
 #ifdef MULTILIST_PEDANTIC_ASSERTS