Take ownership of explorer.exe (C:/WINDOWS) and give yourself full permissions to it. (Right click on it > Properties > Security Tab > Advanced > Owner Tab > Edit > Click on Administrators > OK > OK > OK > OK > YES then Right Click on the file again, Properties > Security Tab, click on EDIT > click on Administrators, Full Control: Allow > OK > OK)
Rename explorer.exe by explorerBackup.exe (in order to have a backup of the original if you enconter problems [IMG]http://e.deviantart.net/emoticons/s/smile.gif[/IMG]
Then paste the explorer.exe modified
Restart Windows and enjoy [IMG]http://e.deviantart.net/emoticons/s/smile.gif[/IMG]
NOTE : to win time you can kill the process explorer.exe in task manager and start it again ^^)