在注册表中建以下内容：
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\3.5]
"DefaultToolsVersion"="2.0"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\2.0]
"MSBuildToolsPath"="C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\3.5]
"MSBuildToolsPath"="C:\WINDOWS\Microsoft.NET\Framework\v3.5\"
