How to Cleanup Backup Files After Upgrading to SP1 in Vista
During the upgrade to SP1, Vista makes a backup of all the files it is upgrading. This is in case you want to uninstall SP1 for any reason.
If you have no problems with SP1 and want to remove the backup files, run:
vsp1cln.exe
You will be prompted if you want to remove the files. Simply press the Y key.
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