VIAArena has collected quite a bit of information regarding the Infinite Loop showstopper issue mostly discovered with Windows XP and Nvidia graphics cards. I might add that this is not the only combination this error appears with but it's the most common one. Now VIAArena has completed their troubleshooting editorial and it is really the most complete I have seen to date. If you still suffer from being stuck you may find help there: VIAArena editorial