lol? If you deleted some sort of audio driver then yes, it's because of that. rofl xD
You can turn off sound while playing but in order to run the game the audio needs to work. I guess you should download DirectX if you don't have it.
http://www.softwarepatch.com/windows/directxdownload.html
Also, in the future please use shorter thread titles.. A 30 word thread title is irrelevant xD