Kingsoft PC Doctor Downloader - Version 2.8.2 Kingsoft PC Doctor, free professional and easy-to-use computer security utility, intensively cleans Windows registry errors, malware and spyware, fixes Windows vulnerability in overall, deeply optimizes Windows OS and, improves computer to achieve advanced performance; as well as exploits revolutionary Kingsoft Cloud Security Engine and powerful Kingsoft V10 Antivirus Engine at local to defense billions of malicious Trojan viruses program away....Key Features: Excellent Windows Registry CleanerCleaner is a powerful function of the Kingsoft PC Doctor which is applied to clean Windows unused files and temporary files, erase traces of online activities and Internet history, and fix errors of Windows register. Meanwhile, computer users can execute One-Click function to run the Cleaner to execute all-in-one cleaning operation. Great Windows System Optimizer