1)   Windows System Optimizer - Free Edition 2.0
Windows System Optimizer Free Edition is an optimizer software that speeds up your system, giving you maximum performance. It includes cleanup tools for Windows system.

 2)   Windows System Optimizer 2.0
Windows System Optimizer is an optimizer software that speeds up your system, giving you maximum performance. It includes cleanup tools for Windows system.

 3)   Webroot Window Washer 6.0
Window Washer features a new interface and cleans more areas of your PC than ever before, including Mozilla and Firefox browsers. Bleach function makes recovery of deleted files impossible. Now cleans hard disk space too!