Cloud System Booster is a small and efficient utility based on Cloud technology which is compatible with Windows XP/Vista/7/8. Cloud System Booster consists of four main function including Registry Cleaner, Disk Cleaner, Optimizer and PC Repair to maximize your PC performance. It also can protect your privacy by cleaning browsing history, temporary internet files, browser cookies and extensions, minimizing the chance of falling into Internet scam and more features like GB File, Uninstaller, RAM Booster, Startup Booster. Registry Cleaner removes outdated, invalid or unuseful information within registry to prevent a bloatedregistry that may cause serious system issues like BSOD. Disk Cleaner cleans up junk files, invalid shortcuts, temp files, cache generated by both Windows and web browsers to free up disk space; erases online traces and privacy to protect privacy. Optimizer optimizes system services, startup settings and network settings to make a faster PC. PC Repair repairs file extension errors, registry errors, privacy settings and malicious plugins to maintain the system. Anvi Uninstaller helps you conveniently and efficiently uninstall unnecessary programs to make PC run faster. RAM Booster real-timely monitors CPU usage and RAM usage and lets you optimize CPU and RAM with just one click. GB File helps you find and remove any potentially unwanted large file installed on local disks to efficiently speed up PC. Slim Toolbar assists in managing and removing any unwanted or malicious browser add-ons in IE, Firefox and Chrome to refresh your web browsing. Startup Booster helps you manage PC startup items to shorten the PC start time. User Center you can sign in with Cloud System Booster to get your personalized settings synchronously updated for better usage. Online Cloud Database connects to Online Cloud Database which is real-timely updated based on user experiences kindly shared for more efficient system maintenance.