PC Optimization Tools

CCleaner: [download]  FREE

CCleaner (Crap Cleaner) is a freeware system optimisation tool. That removes unused and temporary files from your system - allowing it 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: 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.
• This software is completely Freeware and contains no Spyware or Adware.

TweakUI for XP [download] FREE

Part of Microsoft's free Powertoys collection of utilities, TweakUI gives you access to system settings that are not exposed in the Windows XP default user interface, including mouse settings, Explorer settings, taskbar settings, and more.

Version 2.10 requires Windows XP Service Pack 1 or Windows Server 2003, Not for Vista.

Cinebench: [download ] FREE

Benchmark utilities - test the real-world performance of your computer system.