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; * Shortcuts cleaner - identify and remove the annoying redundant shortcuts that point to non-existent or invalid files. * Registry Defragger - defragment your registry to acquire linear registry structure, reduce application respond time and registry access time. * Start-up Manager - easily inspect, delete or temporarily disable the start-up programs. * Uninstall Manager - safely remove the unwanted applications installed on your computer. * System Optimizer - optimize your system settings, and as a result, boosts your system speed and improves system performance. * IE Manager - easily repair your IE problems as well as settings changed by malicious websites. * Additionally, Perfect Booster collects a list of very useful system tools to help you better manage your computer, such as Disk Cleanup, Disk Defragmenter, DirectX Diagnostic Tool, Registry Editor, etc.