5.01.2012 New Upgrate Crash

I have the problem in 1 upgrate on steam
game Garry mod is not started
Does anyone else have this problem
How to fix :

too.

I am problem.

Yeah, seems like gmod has problems starting.

not go with me all the games.
after Steam client update

thank god i thought it was just me getting thiss was there a steam update??

This might be a solution for problem: http://forums.steampowered.com/forums/showthread.php?t=2459905

that worked, thanks man.