How to fix Icon the same in Desktop(link error)?

We Will walk you through the steps to fix a file association error in windows 7/Vista (Desktop icons all look the same and only opened with one program; also known as the .lnk error). No downloads are required in order to fix this error. Please be sure to leave a comment if this has helped you or if you have any further questions regarding this or related errors. Yes by 'suffix' I meant 'file extension'. The steps are listed below:
1. Open start menu (click button on far side of task bar)
2. Type into the search bar: regedit
3. Press yes when prompted
4. Double click each of the folders specified:
HKEY_CURRENT_USER
Software
Microsoft
Windows
Current Version
Explorer
FileExts
.lnk (or .rar/other extensions in differing cases)
5. Right Click User Choice and select delete
6. Restart Computer

I hope this article will help you.