Visual studio 2005では、コードがビルド出来たのですが、
2010のexpressでは、同じdirectory、同じソースなのに、
下記のようなインターナルエラーが。
何が、まずいのでしょうか？

1>------ Build started: Project: Freq_Fix, Configuration: Debug Win32 ------
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014: The build stopped unexpectedly
because of an internal failure.
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014:
Microsoft.Build.Exceptions.BuildAbortedException: Build was canceled. Failed to
successfully launch or connect to a child MSBuild.exe process. Verify that the
MSBuild.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
launches successfully, and that it is loading the same microsoft.build.dll that
the launching process loaded. If the location seems incorrect, try specifying
the correct location in the BuildParameters object, or with the
MSBUILD_EXE_PATH environment variable.
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014: at
Microsoft.Build.BackEnd.NodeProviderOutOfProc.CreateNode(Int32 nodeId,
INodePacketFactory factory, NodeConfiguration configuration)
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014: at
Microsoft.Build.BackEnd.NodeManager.AttemptCreateNode(INodeProvider
nodeProvider, NodeConfiguration nodeConfiguration)
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014: at
Microsoft.Build.BackEnd.NodeManager.CreateNode(NodeConfiguration configuration,
NodeAffinity nodeAffinity)
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014: at
Microsoft.Build.Execution.BuildManager.PerformSchedulingActions(IEnumerable~1
responses)
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014: at
Microsoft.Build.Execution.BuildManager.HandleNewRequest(Int32 node,
BuildRequestBlocker blocker)
1>C:\Freq_Fix\Freq_Fix.vcxproj : error MSB4014: at
Microsoft.Build.Execution.BuildManager.IssueRequestToScheduler(BuildSubmission
submission, Boolean allowMainThreadBuild, BuildRequestBlocker blocker)