[MSBuild Error] The build was aborted because of an internal failure.
System.IO.DirectoryNotFoundException: Could not find a part of the path *C:\Windows\system32\Projects*.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.Directory.SetCurrentDirectory(String path)
at Microsoft.Build.BuildEngine.Engine.SetBuildItemCurrentDirectory(Project project)
at Microsoft.Build.BuildEngine.Engine.BuildProjectInternal(BuildRequest buildRequest, ProjectBuildState buildContext, TaskExecutionContext taskExecutionContext, Boolean initialCall)
at Microsoft.Build.BuildEngine.Engine.EngineBuildLoop(BuildRequest terminatingBuildRequest)
at Microsoft.Build.BuildEngine.Engine.PostProjectEvaluationRequests(Project project, String[] projectFiles, String[][] targetNames, BuildPropertyGroup[] globalPropertiesPerProject, IDictionary[] targetOutputsPerProject, BuildSettings buildFlags, String[] toolVersions)
新建了一个工程，什么也没写，直接F9就这样了

详细情况：刚安装的XE7，安装后磁盘空间太小了，然后：备份D盘，格式化D盘，扩展C盘分区，再装一个硬盘，盘符改为D:\。然后运行的时候就出现了如一楼所述的问题，语法都是没错的。

如图，repair之后也不行quq

重装

xe7需要20g以上的磁盘
——那么问题来了！

第四次重装

从d2007到xe7从来都是在虚拟机里面装，安装就没有成过错。