System Mechanic keeps your PC running at peak performance and stability with advanced PC tune-up, repair and maintenance features. Using 7 safe and effective tools, its exclusive patented technology fixes registry errors, defrags hard drives, cleans up junk files, accelerates downloads, boosts Windows speed and ensures maximum ongoing system stability. Consistently top-rated since 1998, this award-winning performance solution is trusted by over 40 million people to keep over 75 million PCs worldwide problem-free and running like new.