Web application hata mesajı

Şu hata mesajını görürsen:
[The referenced assembly is not installed on your system. (Exception from HRESULT: 0x800736B3)]

%userprofile%\Local Settings\Apps klasörünü silmen gerekiyor..

http://social.msdn.microsoft.com/forums/en-US/vbide/thread/c868d369-2399-45c7-bc0b-2dd7d5443241/