garry's mod only starts loading screen

garry’s mod only starts loading screen for 2 seconds then go’s back to my desktop and does nothing. can someone help? because I bought it like 2 weeks ago and before it worked just fine!*KEEP-DISCUSSION-IN-THIS-THREAD*

Was the post at the top of the forum really that hard to find?

oh lol srry, lock threat plz

That is armageddon. Gabe Newell is being hate us.

Sorry Gabe ! We will give you a cake from Portal 3 and fried headcrab from third episode, but dont mess up with the engine noooo !!