Hello, can someone please help me, i got the free HL2A coupon thingy when i bought my video card, the ATI 9600XT, and i got steam and downloaded the game. And when i finally go to start the game, the valve screen comes up, then after that is done it goes to another screen and just freezes, it sais loading and i can move my mouse but it just dosent do anything. When i click CTRL+ALT+DEL it sais not HL2 is not responding. I dont get this? CS works but HL2 dosent, the only error that came up said something like "the instruction ox241f8977 referenced memory at oxo1b8f500 the memory could not be read", can someone pllease help me i really wanna play this game. I have a good cpu so this makes no sense.