Gmod won't launch

Every time I try to launch gmod, it shows an error. Any ideas on how to fix it?

[editline]04:50PM[/editline]

Hang on, let me upload a pic.

[editline]04:51PM[/editline]

http://filesmelt.com/dl/engine_error.PNG

[editline]05:55PM[/editline]

Anybody? I’d really like to play GMod right now.

You should probably take out ‘carmod’.