Avira System Speedup

Avira System Speedup screenshots

Optimize your PC by cleaning your registry and junk files
Main window
Avira System Speedup 4.1 : Main window

Alternative downloads

PC Optimizer Pro
Optimize Windows PC speed and responsiveness, and securely delete files.
AVS Registry Cleaner
Keep your Windows registry clean and get rid of all unnecessary files.
WinASO Registry Optimizer
Utility that can fix all the registry errors.