Free download 3.8M

Disk fragmentation is generally main cause of slow and unstable computer performance. Smart Defrag helps defragment your hard drive most efficiently. Smart Defrag not only defragments computer deeply but optimizes disk performance. With 'install it and forget it' feature, Smart Defrag works automatically and quietly in the background on your PC, keeping your hard disk running at its speediest. Smart Defrag is complete free for home, organization, and business.
CNET Networks is not responsible for the content of this Publisher's Description. We encourage you to determine whether this product or your intended use is legal. We do not encourage or condone the use of any software in violation of applicable laws. Any questions, complaints or claims related to any specific download should be directed to the relevant vendor.
Google Chrome OS demonstration
Vice President of Product Marketing Sundar Pichai gives a virtual tour of Google's new operating system, Chrom… Watch it now
Malcolm Turnbull's ghost twitterer
At the Sydney Media140 conference several weeks ago, Opposition Leader Malcolm Turnbull admitted he doesn't pe… Watch it now
Surf the Net like it's 1991 with Gopher
The old Gopher protocol is not dead. In fact, it even has Twitter! Here's how to access it.… Watch it now
Invisible Particls to reappear
12 days without ADSL: A local loop eulogy
An abridged history of the Aussie internet
Come to our reader Christmas party!
Drinks with the ZDNet AU team, Wednesday 9th December, from 6pm.
Mark your diaries!
Optus Deal
Broadband + home phone + PlayStation®3 in a single package price!
Click here for more!
Best Laptops
Check out the best laptops here!
Click here for more.
I find the program is very good for defragging but only works once after install on my Vista 64bit. If I want to use it again I have to uninstall and reinstall. On my other PC (Vista 32bit) it works well.