Ok, whenever I load Half-life 2 deathmatch, or Counter strike source, or day of defeat source or any of the games that use HL2.exe, I get an error... it opens up the loading page and says loading on bottom right of the screen with the bacground pic then it minimzes and i get "Hl2.exe is not responding" Ive tried loading the games without steam just by it self, Ive also tried right clicking them all and going to advanced or i dont recall exactly how but defraging the game or was it called cahce it was something like that, that steam provides. Ive also tried reinstalling everything without success... I do have the best driver right now for video card.. Im running windows Vista, and it was doing this exact thing to me in windows XP so its not a vista issue... any help would be greatly appreciated... thanks!