Sims 3 Initial Loading Screen Not Responding

WEll when I launch my game it comes to that blue thing...ya know.Then I press the play button and it comes up, and says sims3 not responding.I've tryed to reinstall all of my games but it didn't work.I bought two new games and it still didnt work.I mean everything was fine and then one day it just happened.Please help me I spent a lot of money:catsurprised: