"Disk fragmentation is generally main cause of slow and unstable PC performance. IObit SmartDefrag helps defrag your hard drive most efficiently. With amp;quot;Install it and forget itamp;quot; feature, IObit SmartDefrag works automatically and quietly in the background on your PC, keeping your hard disk running at its speediest. Slow down, freeze-ups and crashes will be a thing of the past. IObit SmartDefrag is 100% free for personal, home and small business. Detected by many strictest tests, IObit SmartDefrag is 100% safe and has no spyware/adware.

[License: Freeware| Requires: Win 2K/03/XP/Vista | Size: 3.50 MB] "