If you don't have an SSD, defragmenting your hard drive can keep your hard drive optimized for faster read and write times. If you find your games suddenly loading slower than they used to, your videos taking longer to play, or your movie editing or graphic design projects taking forever to load, it might be time to defrag. Last week we asked you which apps you used for the job. Then we took a look at the top five, based on your nominations. Now we're back to highlight the winner. More »