hey everyone.. i just bought a new computer with windows vista home premiun in it.. it has an AMD Athlon 65 x2 processor..it is really good but i am having a problem..i downloaded Need for speed carbon demo last night and when i try to open it it opens whereas it shows EA games and starts to open then it closes and i get an error message stating that the program stopped working and then thats it. does anyone know why this is happening?