Please note: If you are using an ATI video card, you must run in Direct3d (D3D) for the time being. If you are getting the overflow error you are either cheating or using an ATI card. This is a Half-Life engine issue and affects HL and all HL mods. This bug will be fixed soon by Valve.

http://www.counter-strike.net/
可能今天就會有跟新檔