CCleaner (Crap Cleaner)

Source: ccleaner.com

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.

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 to remove unused and old entries (includes backup).
Including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts and more...
This software is completely free and contains no Spyware or Adware.
What's New

v1.17.90 - [3rd February 2005]
- Added Analyze mode to scan without deleting.
- Added Startup program list to tools menu.
- Added right-click menu to save the output log.
- Updated Firefox cleaning to remove download history.
- Updated Firefox cleaning to remove "cache.trash" folder.
- Added confirmation message box before cleaning.
- Added Danish and Traditional Chinese translations.
- Added cleaning for the following apps:
Adobe Acrobat Reader 7.0
Adobe Photoshop 6.0
Adobe Photoshop 7.0
Adobe ImageReady 7.0
Macromedia Fireworks 6.0
Macromedia Dreamweaver MX
And also 7-Zip, AceHTML 5, Alcohol 120%,
Download Accelerator Plus, DVD Shrink
eTrust EZ Antivirus, GetRight, LeechGet, Morpheus
RegEdit, Tivo Desktop, VirtualDub, VNCViewer
ZipMagic and ZoneAlarm
- Updated PowerArchiver cleaning.
- Updated Office 2003 cleaning.
- Updated Norton Antivirus cleaning.
- Updated Run at Startup issue scanning.
- Installer now only installs the selected language file.
- Fixed bug when scanning File Extensions.
- Changed Temp file cleaning to delay deletion based on
last access date, rather than last write date.
- Improved display of symbolic languages.
- Improved Italian translation.
- Improved German translation.
- Improved Dutch translation.
- Improved Norwegian translation.
- Minor interface tweaks.
more...

More Info HERE