Hello i to have the same problem and i delete and installed again a it still not launch ( Purchase the game on steam yesterday) . Im using Win vista ultimate with Intel i5, 3520m 2.8hz with 8 Gb Ram and the system is in 64. Best regards.
i dont understand what the problem is never had a problem with games before But unfortunatly this game doesnt want to load, i tryed all the different things reccomended on google... no budge:/