CCleaner is a system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner. But the best part is that it's fast (normally taking less than a second to run) and contains NO Spyware or Adware! :)

CCleaner cleans the following:

В· Internet Explorer: Temporary files, URL history, cookies, Autocomplete form history, index.dat.
В· Firefox: Temporary files, history, cookies, download history, form history.
В· Google Chrome: Temporary files, history, cookies, download history, form history.
В· Opera: Temporary files, history, cookies.
В· Safari: Temporary files, history, cookies, form history.
В· Windows: Recycle Bin, Recent Documents, Temporary files and Log files.
В· Registry cleaner: Advanced features to remove unused and old entries, including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts and more... also comes with a comprehensive backup feature.
В· Third-party applications: Removes temp files and recent file lists (MRUs) from many apps including Opera, Media Player, eMule, Kazaa, Google Toolbar, Netscape, MS Office, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and many more...
В· 100% Spyware FREE: This software does NOT contain any Spyware, Adware or Viruses.