will tech support help me plzz

hey i downloaded cross fire and it downloads fine then when i click the game icon on my desktop the screen where it tells u news and theres buttons like play then a exit one pops up just fine but when i click play a window comes up like its gonna start the game it says not responding in the window then closes its self plzz help me guys i really wanna play i tried reinstalling it sevral times and turning of all my firewalls and norton security i am runing windows xp(64 bit edition) with 4 gig memory 320 gig hardrive a ati graphics card