Windows System Optimizer 

Windows System Optimizer is an optimizer software that speeds up your system, giving you maximum performance. It includes cleanup tools for Windows system.
optimizer system optimizer pc cache cookies windows xp 98 nt me 2000

Windows System Optimizer - Free Edition 

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.
optimizer system optimizer pc cache cookies windows xp 98 nt 2000 free me

HS WinPerfect 

Windows system optimizer which cleans hard-disk and system registry, finds duplicate files, optimizes memory, tunes-up system specific settings, accelerates internet connection, improves cpu usage, manages security and backup issues and uninstalls so
winperfect backup spyware adware outlook processes process priority terminate cpu usage cleandisk clean system