trying to host game

[trying to host game]

Amd x4 965

4 gb of ram

msi 4600gtx 1gb

600 watt p/s

[trying to host game]

it is when i just try to host anything i don't even get to the select mission screen i just get the game to quit. i did nothing differently it just started to happen

[trying to host game]

everytime i try and host a game it says

Include file cl_mod_client\description.h not found

any help would be great

[No sound]

Fixed it my direct x was not updated

[No sound]

SB audigy with the most updated driver that i know of

[No sound]

just wondering if anyone can help me out

[No sound]

When i start the game and go to start there is no sound what so ever i have updated my sound card and still nothing any help would be great thanks