In my experience, it usually means that the media has been corrupted in
some way. With floppy disks, it's often physical damage, a scratch or some
sort of crud on the media. If it occurs on hard drives or larg capacity
removable media, you may need to backup your drive and reformat.
-- Bruce Carter, Instructional Software Designer (208)385-1851@voice Boise State University, Boise, ID 83725 (208)385-1856@fax http://mentor.idbsu.edu/BruceCarter/home.html bcarter@mentor.idbsu.edu