Perfect Booster - Version 2.5 Perfect Booster is an all-in-one application that integrates registry cleaning, Windows optimization, history cleaning, etc, offering computer users a hassle-free system tune-up. The featured functions include: * A professionally designed Registry Cleaner Perfect Booster applies the most professional and effective registry cleaner to solve your registry problem. Perfect Booster knows the right way to deal with Windows registry. With a professionally designed scan engine, it carefully screens out the system-sensitive entries and accurately identifies and removes registry errors to boost Windows performance and eliminates Windows freezes and hangs. Perfect Booster guarantees 100% safety and effectiveness.* History Cleaner - clean all tracks of your activities to protect your privacy and improve PC performance;