I bought the sims 3 online and downloaded it. I had generations, world adventures and seasons expansion packs. And it worked fine for a while. Then my family moved and i also got the pets expansion. It would crashed after about 10 minutes of playing. The screen would go blue shut down and restart. uninstalled everything and re installed. It would work for about an hour and a bit. Then another tab would pop up "the sims 3 has stopped working." Then it would close and sometimes nothing would be saved. So i uninstalled it again and reinstalled. But it did not work. It crashed again. Please help i love playing!!!