Forum:Point lookout problem

i am from brazil,i have bought fallout 3 goty edittion because i really liked fallout 3 the save was compatible but i have problems with al the add ons but more with point lookout because i play 2 or 3 minuts of point lookout and the game including my ps3 frezze and i cannot pay more and i have to reestart my ps3 how can i solve this problem