NEW UPDATE: CCleaner 3.16.1666 2012

CCleaner (Crap Cleaner) is a freeware system optimization tool that removes unused and temporary files from your system, allowing Windows to run faster, more efficiently and giving you more hard disk space.

The best part is that it's fast! (normally taking less that a second to run) and Free.

CCleaner cleans the following:

· Internet Explorer: Temporary files, URL history, cookies, Autocomplete form history, index.dat.
· Firefox: Temporary files, history, cookies, download history, form history.
· Google Chrome: Temporary files, history, cookies, download history, form history.
· Opera: Temporary files, history, cookies.
· Safari: Temporary files, history, cookies, form history.
· Windows: Recycle Bin, Recent Documents, Temporary files and Log files.
· 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.
· 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...
· 100% Spyware FREE: This software does NOT contain any Spyware, Adware or Viruses.