ok..if youre using a nvidia video card....click on this link and download the 28.32 xp detonator driver for your card.
http://www.nvidia.com/view.asp?PAGE=windows2000
it says 2000 but is xp compatible, i had the same problem with running MOHAA on xp pro until i downloaded this driver. its a biggun , about 8 meg i think, but should do the trick.
also make sure you got the correct version of direct x installed and the correct version crack for your backup.
