Extension Manager error in VS2010?

Question

I am getting this error when I try to open the Extension Manager from VS2010 Ultimate:

The specified path, file name, or both are too long. The fully qualified file

Answer 1

If this happened after installing an extension, try renaming your extensions directory (after exiting VS). It is located at:

%USERPROFILE%\AppData\Local\Microsoft\VisualStudio\10.0\Extensions