Disk fragmentation is generally main cause of slow and unstable computer performance. Smart Defrag 2 helps defragment your hard drive most efficiently. Smart Defrag 2 not only defragments computer deeply but optimizes disk performance. With "Install it and forget it" feature, Smart Defrag 2 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. Features include: Easy 2 Use Install it and forget it. The intuitive interface makes Smart Defrag 2 the ideal utility for complete dummies. Always-on Working Smart Defrag 2 works automatically and quietly in the background, constantly keeps your computer fragment-free. Super Efficient Defragmentation No more long time waiting, Smart Defrag 2 has the fastest defragment engine in the world and finishes the job just in minuts. Optimize File System Not just simple defragment, Smart Defrag 2 also streamlines the file system and makes your computer run at the top speed. Free and Free Smart Defrag 2 is 100% freeware. You can get it and update it without any penny.