diff --git a/vs/vs2017/TurboPFor.vcxproj b/vs/vs2017/TurboPFor.vcxproj
index c89d5c6..178ea78 100644
--- a/vs/vs2017/TurboPFor.vcxproj
+++ b/vs/vs2017/TurboPFor.vcxproj
@@ -87,7 +87,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <Optimization>Disabled</Optimization>
+      <Optimization>MaxSpeed</Optimization>
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>__SSE__;__SSE2__;__SSE3__;__SSSE3__;__SSE4_1__;__SSE4_2__;USE_SSE;USE_AVX2;_CRT_SECURE_NO_WARNINGS;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
@@ -96,6 +96,9 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <AdditionalOptions>/w24003 /w24005 /w24028 /w24047 /w24090 /w24133 /w24146 /w24333 /w24789 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>..\..</AdditionalIncludeDirectories>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <ExceptionHandling>false</ExceptionHandling>
+      <FloatingPointModel>Fast</FloatingPointModel>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -171,6 +174,7 @@
     <ClCompile Include="..\..\transpose.c" />
     <ClCompile Include="..\..\trlec.c" />
     <ClCompile Include="..\..\trled.c" />
+    <ClCompile Include="..\..\v8.c" />
     <ClCompile Include="..\..\vint.c" />
     <ClCompile Include="..\..\vp4c.c" />
     <ClCompile Include="..\..\vp4d.c" />
diff --git a/vs/vs2017/TurboPFor.vcxproj.filters b/vs/vs2017/TurboPFor.vcxproj.filters
index cbaf23a..c18a0be 100644
--- a/vs/vs2017/TurboPFor.vcxproj.filters
+++ b/vs/vs2017/TurboPFor.vcxproj.filters
@@ -74,6 +74,9 @@
     <ClCompile Include="..\vp4d_sse.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\v8.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\bitpack.h">
diff --git a/vs/vs2017/icapp.vcxproj b/vs/vs2017/icapp.vcxproj
index bf75ef6..d73628f 100644
--- a/vs/vs2017/icapp.vcxproj
+++ b/vs/vs2017/icapp.vcxproj
@@ -19,7 +19,9 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\icapp.c" />
+    <ClCompile Include="..\..\icapp.c">
+      <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">_CRT_SECURE_NO_WARNINGS;_CONSOLE;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
     <ClCompile Include="..\getopt.c" />
   </ItemGroup>
   <ItemGroup>
@@ -97,12 +99,13 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>CODEC2;_CRT_SECURE_NO_WARNINGS;_CONSOLE;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_CONSOLE;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <AdditionalOptions>/w24146 /w24133 /w24996</AdditionalOptions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
       <AdditionalIncludeDirectories>..\..\ext</AdditionalIncludeDirectories>
+      <ExceptionHandling>false</ExceptionHandling>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -131,7 +134,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>CODEC2;_CRT_SECURE_NO_WARNINGS;_CONSOLE;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_CONSOLE;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <AdditionalOptions>/w24146 /w24133 /w24996</AdditionalOptions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>