diff --git a/BizHawk.MultiClient/output/dll/libco_msvc_win32.dll b/BizHawk.MultiClient/output/dll/libco_msvc_win32.dll
index 4af5ecbc4e..6bd497731e 100644
Binary files a/BizHawk.MultiClient/output/dll/libco_msvc_win32.dll and b/BizHawk.MultiClient/output/dll/libco_msvc_win32.dll differ
diff --git a/libsnes/libco_msvc_win32/Release/libco_msvc_win32.dll b/libsnes/libco_msvc_win32/Release/libco_msvc_win32.dll
index 4af5ecbc4e..6bd497731e 100644
Binary files a/libsnes/libco_msvc_win32/Release/libco_msvc_win32.dll and b/libsnes/libco_msvc_win32/Release/libco_msvc_win32.dll differ
diff --git a/libsnes/libco_msvc_win32/Release/libco_msvc_win32.lib b/libsnes/libco_msvc_win32/Release/libco_msvc_win32.lib
index a1157dabfa..f5f4c5d259 100644
Binary files a/libsnes/libco_msvc_win32/Release/libco_msvc_win32.lib and b/libsnes/libco_msvc_win32/Release/libco_msvc_win32.lib differ
diff --git a/libsnes/libco_msvc_win32/libco_msvc_win32.sln b/libsnes/libco_msvc_win32/libco_msvc_win32.sln
index 081e42f3e9..54d91a63f0 100644
--- a/libsnes/libco_msvc_win32/libco_msvc_win32.sln
+++ b/libsnes/libco_msvc_win32/libco_msvc_win32.sln
@@ -1,7 +1,7 @@
 
-Microsoft Visual Studio Solution File, Format Version 9.00
-# Visual Studio 2005
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libco_msvc", "libco_msvc_win32.vcproj", "{C5D03072-BBF9-4DED-8CE6-5467736251BF}"
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libco_msvc_win32", "libco_msvc_win32.vcxproj", "{C5D03072-BBF9-4DED-8CE6-5467736251BF}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/libsnes/libco_msvc_win32/libco_msvc_win32.vcproj b/libsnes/libco_msvc_win32/libco_msvc_win32.vcproj
deleted file mode 100644
index 9ce611cc59..0000000000
--- a/libsnes/libco_msvc_win32/libco_msvc_win32.vcproj
+++ /dev/null
@@ -1,187 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="libco_msvc_win32"
-	ProjectGUID="{C5D03072-BBF9-4DED-8CE6-5467736251BF}"
-	RootNamespace="libco_msvc_win32"
-	Keyword="Win32Proj"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
-			IntermediateDirectory="$(ConfigurationName)"
-			ConfigurationType="2"
-			CharacterSet="1"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-				CommandLine=""
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;LIBCO_MSVC_EXPORTS"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				Detect64BitPortabilityProblems="true"
-				DebugInformationFormat="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				LinkIncremental="2"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCWebDeploymentTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-				CommandLine="copy $(TargetPath) ..\..\BizHawk.MultiClient\output\dll"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
-			IntermediateDirectory="$(ConfigurationName)"
-			ConfigurationType="2"
-			CharacterSet="1"
-			WholeProgramOptimization="1"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-				CommandLine=""
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;LIBCO_MSVC_EXPORTS"
-				RuntimeLibrary="2"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				Detect64BitPortabilityProblems="true"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				LinkIncremental="1"
-				GenerateDebugInformation="true"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCWebDeploymentTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-				CommandLine="copy $(TargetPath) ..\..\BizHawk.MultiClient\output\dll"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath=".\libco_msvc_win32.c"
-			>
-		</File>
-		<File
-			RelativePath=".\readme.txt"
-			>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/libsnes/libco_msvc_win32/libco_msvc_win32.vcxproj b/libsnes/libco_msvc_win32/libco_msvc_win32.vcxproj
new file mode 100644
index 0000000000..949f2d3d81
--- /dev/null
+++ b/libsnes/libco_msvc_win32/libco_msvc_win32.vcxproj
@@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{C5D03072-BBF9-4DED-8CE6-5467736251BF}</ProjectGuid>
+    <RootNamespace>libco_msvc_win32</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <CharacterSet>Unicode</CharacterSet>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <_ProjectFileVersion>10.0.40219.1</_ProjectFileVersion>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(SolutionDir)$(Configuration)\</OutDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(Configuration)\</IntDir>
+    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkIncremental>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(SolutionDir)$(Configuration)\</OutDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Configuration)\</IntDir>
+    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
+    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
+    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
+    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
+    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <PreBuildEvent>
+      <Command>
+      </Command>
+    </PreBuildEvent>
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;LIBCO_MSVC_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MinimalRebuild>true</MinimalRebuild>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+    <PostBuildEvent>
+      <Command>copy $(TargetPath) ..\..\BizHawk.MultiClient\output\dll</Command>
+    </PostBuildEvent>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <PreBuildEvent>
+      <Command>
+      </Command>
+    </PreBuildEvent>
+    <ClCompile>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;LIBCO_MSVC_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+    <PostBuildEvent>
+      <Command>copy $(TargetPath) ..\..\BizHawk.MultiClient\output\dll</Command>
+    </PostBuildEvent>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="libco_msvc_win32.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="readme.txt" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/libsnes/libco_msvc_win32/readme.txt b/libsnes/libco_msvc_win32/readme.txt
index 4468772c2c..b060d289ee 100644
--- a/libsnes/libco_msvc_win32/readme.txt
+++ b/libsnes/libco_msvc_win32/readme.txt
@@ -8,4 +8,5 @@ My efforts are in trying-to-port-to-mingw-win32.c; I don't know why it isn't wor
 Because libco needs to be a bit more properly win32 in order for it to get used from .net code.
 .net throws exceptions in each thread when it needs to suspend them for GC. 
 Those exceptions get garbled without more proper win32 stack frame setup, and the process terminates.
-Additionally, you wont be able to debug very well from callbacks out of a coroutine into c# without this.
\ No newline at end of file
+Additionally, you wont be able to debug very well from callbacks out of a coroutine into c# without this.
+ * Note: you can't debug very well anyway due to mingw code having no debug symbols in the callstack.
\ No newline at end of file