Smart Defrag

It is known that disk fragment has been a primary cause of slow and unstable PC performance. Smart Defrag 2 is such a FREE tool that provides extremely fast and efficient defragmentation to your hard drives intelligently for faster file loading and high 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 top speed. This powerful, award-winning free defragmenter is 100% safe and clean with no adware, spyware, or viruses.