Gmod launch error

I get this error when trying to start Garry’s Mod, any info? Cheers:

http://img265.imageshack.us/img265/3060/captureetp.jpg

bump

**EDIT:

**Also, my attempts to remedy the problem via re-installation were in vain.

Anything out of the ordinary in you Garrysmod folder?

Couldn’t be arsed pinpointing anything that looked odd, so i chucked it all into the bin. Cheers for the reply.