emmm, de-what?
De-frag, is the built in check for your hard drive, and how jumbled up all your file locations are on the hard drive.
go to start/programs/accessories/system tools/disk defragmenter
select your main drive, and analyse, it will show how bad your files are. The Disk Defragmenter Utility is designed to reorganize noncontiguous files into contiguous files and optimize their placement on the hard drive for increased reliability and performance.
