Clean Disk will help you maintain your system functioning at its peak performance by removing unnecessary files from your computer, such as installation programs left-over, resolving DLLs problems,resolving system registry errors, and any other things that can make your system slower and unstable.Such files may include those created by internet activity, installation programs or by applications for storing temporary data. After time these files build up, wasting disk space and this can impede disk drive performance, lead to superfluous disk fragmentation, and even cause some applications to function improperly. Deleting these files is usually safe and can recover megabytes of disk space.