Piriform

CCleaner

CCleaner is an utility to keep your system running at peak performance. It can search for unused or unwanted files and wipe them, recovering disk space. CCleaner checks the integrity of the registry, removing unused entries. CClener can uninstall every undesired program. Also, you can remove programs from the list of programs loaded at Startup. CCleaner is fast, accurate and free. Give it a try!