Kingsoft PC Doctor, which focuses on providing computer users excellent privacy cleaner, registry cleaner and, brilliant Windows optimization service, is your best free professional and easy-to-use Windows Diagnosis and Optimization software. Meanwhile, Computer Health Diagnosis provides you a quick and deepin computer working status diagnosis and, gives you professional suggestion to optimize computer to peak performance. Features: OneKey PC Diagnosis . PC performance is directly presented in marks. . It automatically analyzes issues slowing down computer. . One key to Fix All errors. Amazing Startup Booster . You can boost up computer startup from minutes to seconds. . Monitoring autostart processes makes PC startup under control. . Super easy to use, one key proceed. Best Free Windows Cleaner . Cleaning privacy traces can protect your privacy security. . Removing unnecessary files will free up your hard disk. . Blue screen caused by registry errors can be fixed. Extra: Excellent Utilities Included . Friendly Startup Assistant pops up with funny cartoons. . System Booster releases occupied RAM to speed up performance. . Traffic Monitor can monitor and limit Internet traffic flow. System Requirements: CPU: PIII 500 MHz or higher; RAM: 128 MB or above Support: Microsoft Windows 7, Windows Vista (32-bit, 64-bit), Windows XP (32-bit)