IObit SmartDefrag defrags your hdd drive most efficiently. With "Install it and forget it" feature, IObit SmartDefrag works automatically and quietly in the background on your PC, keeping your hard disk running at its speediest.

IObit SmartDefrag, another novel service from IObit, is an optional component of Advanced WindowsCare v2.

Here are some key features of "SmartDefrag":

Extremely Easy to Use:
· Install it and forget it. This powerful, free utility works continuously, automatically and quietly in the background on your PC. Its intuitive interface makes IObit SmartDefrag the ideal utility for complete computer dummies.

Exceptionally Efficient Defragmentation:
· IObit SmartDefrag has the world's fastest defragmenting engine. It's been specially designed for modern, large hard drives, so it eliminates long waiting times.

Optimize Your File System:
· IObit SmartDefrag doesn't just use simple defragmentation. It also streamlines your file system, enabling your computer to run at top speed with the most stability.

Always-on to Work Automatically:
· IObit SmartDefrag works automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.

What's New in This Release: [ read full changelog ]

· Improved disk map and color legend
· Added "Fast Optimize"
· Fully supported Windows XP/Vista 64bit edition
· Fixed general bugs

Reasons why this program is marked as ad-supported:

· Offers to download or install software or components (Yahoo Toolbar) that the program does not require to fully function
· Attempts to change the default search engine for web browsers installed on the system