Cleanup Files After Upgrading to SP2 in vista

1. Open a elevated command prompt.

2. In the elevated command prompt, type compcln.exe and then press Enter. (See screenshot below)

3. Type Y when you see Would you like to continue? and press Enter.
NOTE: Tying N will cancel running the Vista SP2 disk cleanup tool. You can also just close the command prompt window to cancel to.



4. It will take a little bit to finish. When it is finished, you will see the Windows Component Clean completed message. (See screenshot above)
NOTE: You will see the Windows Component Clean was already run on this install message instead if you already ran this or installes Vista with a Vista installation
disc that included SP2 with it.

5. When it's done, you can close the elevated command prompt.

WARNING
Running the Windows Vista Service Pack 2 Disk Clean-up tool permanently removes the ability to uninstall the Vista SP1 and SP2. Do not run this tool unless you have no plans of uninstalling the Vista SP1 or SP2 and just want to save or regain hard drive space. The only option to remove them after using this tool is to do a clean install of Vista.