Gmod won't start singleplayer

I go into my game at the home screen and I see start new game I click it then I select my map then I start the game when it gets allmost done it crashes any help I have verryfied my cache 3 times so anyone know what I should do?

What are your system specs?

Disable all your addons and see if it does it again.

Firstly, the only way to help is for you to give your specs, once you post this infomation, we can help more. :smiley:

(Sorry if your question has already been answered)