When you install Windows Vista Service Pack 1 on your computer (or even if you install a copy of Vista that already has SP1 on it), the installer will not remove the older versions of Vista files from the hard drive. This is because the older files may be required in case you decide to uninstall SP1 later from the system.
SP1 added some needed tweaking and really helped stabilize Vista, why not reclaim some disk space by removing all the older Vista files?
There are no manual steps involved. Just open your Windows command prompt and type vsp1cln.exe (short for Vista SP1 Cleaner). It takes less than a minute to execute.
*vsp1cln.exe is added to your Windows Vista System folder after you install Vista SP1. The command window will display:
Would you like to continue? (Y/N): y
Performing Windows Vista Service Pack 1 Disk Clean-up…
Windows Vista Service Pack 1 Desk Clean-up completed.
This will makeÂ Windows Vista Service Pack 1 permanent on this computer. All the older files are deleted now and your hard disk has tons of extra space for other important files like videos and photos.
You computer need not be connected to the Internet for running the Vista SP1 cleaner tool. And you wonâ€™t be able to remove Windows Vista Service Pack 1 later.
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