falcon 50 dumps me to a reboot

win xp home, athlon 2gig (xp 2400) and geforce 2, 512m ddr on mobo, it worked the first time, i took off and flew no prob. second and third times, i just taxing down to active and poof, im rebooting all of sudan, anyone??? can help would be really great.i had fsflightmax on 2nd and 3rd times, so im wondering if thats the culprit?? anyone else use the above combo?thanksciao!Brian S