Kingsoft PC Doctor

Kingsoft PC Doctor is a very good Free Registry Cleaner, professional computer security utility, Powerful Malware Removal & Trojan Remover, Ultimate Windows Cleaner & Windows Optimization. Kingsoft PC Doctor is an all-in-one solution designed to help you maintain your computer, keep it clean from junk files and increase its speed with various methods. It is very easy to use, making it an ideal solution for beginners while still being suitable for more advanced users as well.