Disk Defrag when Screen Saver active
Auslogics Disk Defrag Screen Saver is a free tools that run de-fragmentation as screensaver. Like other screensavers in Windows operation system, it starts automatically when a start screen saver.Disk Defrag is the best disk defrag software that will improve your PC’s performance by defragmenting and re-arranging files on your disk. But for even higher performance gain, try this optimization utility- Auslogics Boost Speed.
Download from www.auslogics.com. Auslogics Disk Defrag Screen Saver support windows 7/2008/Vista/2003/XP (32-bit & 64-bit)