YAC is an all-in-one free professional tool to keep your PC safe, clean and fast. It scans your PC and purges it of annoying or dangerous malware, adware, cookies, and browser plug-ins. Also checks and optimizes the Registry for faster startups and smoother overall operation, and frees storage space by removing seldom-used applications. Clear cache/browser history and boost slow computers. Just One Click YAC will take any PC problems away.