vs2008出错

今天VS2008突然出现如下错误，

Project 'Console' could not be opened because the Microsoft Visual C# 2008 compiler could not be created. QueryService for '{74946829-37A0-11D2-A273-00C04F8EF4FF}' failed.

在VS的命令提示行中执行  devenv /resetskippkgs  命令，就OK了。