CCleaner (Crap Cleaner) is a freeware system optimization tool. CCleaner removes unused and temporary files from your system - allowing it to run faster, more efficiently and giving you more hard disk space. CCleaner also comes with a registry scanner that scans for invalid references (advanced users) .

Cleans the following:
- Internet Explorer Cache, History, Cookies, Index.dat.
- Recycle Bin, Temporary files and Log files.
- Recently opened URLs and files.
- Third-party application temp files and recent file lists (MRUs).
- Including: Firefox, Opera, Media Player, eMule, Google Toolbar, Netscape, Office XP, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and more...
- Advanced Registry scanner and cleaner 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... Backup for registry clean.
- Windows Startup tool.

Changelog:
- Fixed problem with Vista UAC compatibility.
- Fixed bug in Secure Delete when emptying Recycle Bin.
- Fixed bug in Secure Delete with 0 byte files.
- Fixed bug in Uninstall Tool with non-standard entries.
- Resource file loading optimizations.
- Updated Windows Live toolbar cleaning.
- Added Bulgarian translation.
- Updated several translations.
- Updated installer engine.
- Minor bug fixes.