Download CCleaner

CCleaner (formerly Crap Cleaner) is a freeware system optimization and privacy tool. It 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 than a second to run) and Free.

CCleaner 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, Kazaa, 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.

If you like and use this software then it is polite to make a donation to the CCleaner author.
CCleaner Current Version:
CCleaner 2.06.567

CCleaner changelog:

• - Added Google Firefox Toolbar history cleaning.
• - Winapp.ini is now embedded in the main EXE.
• - Added ability to override default embedded INI files with: winsys1.ini, winreg1.ini and winapp1.ini.
• - Updated ability to append to default embedded INI files with: winsys2.ini, winreg2.ini and winapp2.ini.
• - Updated system info code to support Win2k8.
• - Improved IE History cleaning with .DAT files.
• - Improved accessibility features of treeview control.
• - Removal of version history from About screen.
• - Options section checkboxes resized to fit caption text.
• - GUI tweaks including Piriform logo change.
• - Minor performance improvements.