System Mechanic Professional - Version 8 Make your old computer run like new. Keep your new computer running fast and problem-free. System Mechanic Pro repairs drive and registry errors, stabilizes your computer, optimizes your internet connection, scrubs sensitive data, and defends against malware and intruders. Without regular "tune ups," all computers slow down with use. Junk files accumulate on your system. Fragmented drives, a cluttered registry, and driver conflicts degrade PC performance, leading to system crashes and freezes. System Mechanic Pro combines 6 powerful products to secure your PC and maintain it in peak condition, offering total PC care and security in a single integrated package. The software runs automatically, intelligently cleaning and tuning your entire computer. Or you can launch select tools in System Mechanic Pro whenever you think your system may need a boost.