Everytime using your computer Your Windows registry keeps growing every second along with recording all the information and changes in the system processing. Over time your registry will be accumulated with a large number of obsolete and invalid entries which seriously affect your PC performance. As the most advanced Registry Cleaner and PC Doctor this award-winning Registry Cleaner Free combines automated and all-in-one traits together with privacy protection system optimization and PC performance improving capabilities. With its user-friendly interface Registry Cleaner Free can perfectly handle the task of curing errors cleaning obsolete data protecting personal security and speeding up PC performance in fully automated focus. In respect to its specific strength its powerful scanning is really remarkable which gives you a complete diagnosis of your Windows Registry for four significant categories respectively: Registry Clean - Clean up registry to improve PC performance Privacy Sweep - Erase your activity history and surfing traces Junk Files Removal - Cleanup junk files and recover disk space System Optimization - Optimize and repair system configuration. Other additional built-in options such as automated scan and automated sweep will facilitate your PC system optimization automatically in case your are busy. Manual utilities are also designed for specific demands including File Pulverizer System Information Auto Shutdown Disk Cleaner etc.