BTW, here is an interesting link:

http://www.lindersoft.com/forums/showthread.php?p=10385

And if you don't know which file was locked, just check the following:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager

entry for PendingFileRenameOperation

There you will find the name of the "locked" file(s).

If you need more help, just let me know.

Friedrich