"Fatal Exception" message driving me insane

After a recent sorta-kinda-maybe re-format of our hard drive I get "the Blue Screen of Death" and the warm, fuzzy error message saying (and I quote) " fatal exception 00 has occured at 0028:C0D8C7 in VXD VDD(09) + 0001803" ....
....This happens with FS2002 and CFS2/3......My son re-formatted the computer before I had time to get the things I usually try to keep moved to either cd or another hard drive.....I have Win98 (not second edition) and an 2.3 Gig processor with a Geforce4 64meg video card......He installed the newest drivers for the Geforce4....Everything else works fine...Just my flight sims have taken a huge hit......Any Ideas????? 

