If it only crashes once, ignore it.
We don't have much gamers over here, you best bet is a gaming
forum - which are plenty on intitial google search of
ati3duag.dll.
As the name suggests - 'ati3duag.dll' is from your PC's graphics
card - i reckon there isn't a physical problem with the graphics
card - just driverwise. Try updating your GPU's driver at
ATI/AMD