启动VS2013遇到了错误 The microsoft.visualstudio.feedback.feedbackpackage package did not load correctly

于是到网上搜索找到了下面这个答案，解决了问题，但是不知道为什么？

 

Please open Windows Explorer, and navigate to \Common7\IDE -Devenv.exe /SafeMode: Launches the IDE in safe mode loading minimal windows.

-Devenv.exe /ResetSettings: Restores the IDE's default settings, optionally resets to the specified VSSettings file.

-Devenv.exe /ResetAddin: Removes commands and command UI associated with the specified Add-in.

-Devenv.exe /ResetSkipPkgs: Clears all SkipLoading tags added to VSPackages.

Doing first 3 steps works for me.