CCleaner

[MadGamer]

you can obtain a copy at http://www.ccleaner.com

Originally Posted by CCleaner.com

Features

Program Summary:
CCleaner (Crap Cleaner) is a freeware PC 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 Small, Fast and Free!

Cleans the following Windows components:
Internet Explorer
- Temporary File Cache.
- URL History.
- Cookies.
- Hidden Index.dat files.
- Last download file location.
Firefox
- Temporary File Cache.
- URL History.
- Cookies.
- Download manager.
Recycle Bin
Clipboard
Windows Temporary files
Windows Log files.
Recent Documents (on the Start Menu).
Run history (on the Start Menu).
Windows XP Search Assistant history.
Windows XP old Prefetch data.
Windows memory dumps after crashes.
Chkdsk file fragments.


Advanced Options allow cleaning of:
Menu Order cache
Tray Notifications Cache
Window Size and Location Cache
User Assist history
IIS Log Files
Custom Folders


Application Cleaning:
As well as cleaning up old files and settings left by standard Windows components, CCleaner also cleans temporary files and recent file lists for many applications. Including:

Firefox, Opera, Media Player, eMule, Kazaa, Google Toolbar, Netscape, Office XP, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and more...


Registry Issue Cleaning:
CCleaner uses an advanced Registry to check for problems and inconsistencies in your registry. It can check the following:
File Extensions
ActiveX Controls
ClassIDs
ProgIDs
Uninstallers
Shared DLLs
Fonts
Help File references
Application Paths
Icons
Invalid Shortcuts and more...


Safety and Security:
CCleaner was designed from the ground to be safe and secure to use. It has multiple levels of checks in place to ensure that it cannot delete any useful information or documents you may still need. We also certify that it contains no Spyware or Adware.

Multiple Languages:
Thanks to the translators, CCleaner is now available in the following languages:
English, German, French, Spanish, Italian, Portuguese, Dutch, Swedish, Norwegian, Danish, Russian, Polish, Japanese, Traditional Chinese and Korean.

[homealone]

it does what it says on the tin - but, as with any app of this kind, be careful & make sure you know exactly what is being altered - iirc this program does not offer any 'goback' facility - changes are permanent

[MadGamer]

Originally Posted by homealone

it does what it says on the tin - but, as with any app of this kind, be careful & make sure you know exactly what is being altered - iirc this program does not offer any 'goback' facility - changes are permanent

Yep which means ALWAYS backup the registry