Sorry, I'm with Aqua Plane
I'm using Norton Utilities 4 on my computer and it (especially Speedisk) is running very well.
Hang on to it. If you have to re-install windows to get rid of this glitch, go the whole hog, reformat the HD and go for a clean install. You should find the problem disappears.
Good Luck.
However, in a past life my nickname was Mr Format. 'Twas several years ago - the Dark Ages.