Face Poser not working

My face poser has stopped working… and when i press c all i get is a bar at the corner of my screen that says Face Poser… please help!

Refresh SDK content, valve updated again.

Oh wait, do you mean gmod tool faceposer? if so, clean your gmod.

You can find how to do that here: http://wiki.garrysmod.com/?title=Cleaning_GMod