One System Care

One System Care screenshots

One System Care keeps your computer completely safe and junk free
Main window
One System Care 4.4 : Main window

Alternative downloads

Wondershare 1-Click PC Care
Comprehensive tuning utility to clean and speed up your PC in 1 click.
Smart System Care
Windows PC optimization tool to clean junk files and fix OS errors.
Systweak Disk Speedup
Program that allows you to clean junk files.