Favortools System Expert is the best all-in-one PC optimization and cleaning tool, which safely cleans you hard drive, fixes registry problems, erase all evidence of your daily computing and internet activities, and quickly and significantly speed up your PC. 1. Scan and fix your Windows registry errors, tune up and optimize your registry. 2. Take care of all the common PC headaches that slow your system down. 3. Scan and erase all junks to free up disk space. 4. Erases all evidence of your daily computing and Internet activities to protect your privacy. 5. Optimize startups, installed applications, services, network and so on. 6. Provide useful tools like IE repair, uninstall manager, and file shred and so on. 7. Restore your PC performance, quickly and significantly speed up your PC. 8. Make your computer faster and more secure.