^4Tekkit Jul 8 @ 8:39pm
Missing models.
So I tried to play L4D2 earlier today, it closed itself because I don't have specific models, so I verified my game cache and tried it again.....same thing. I re-installed the game, and tried again, same thing. here's a picture of my Models folder.

http://gyazo.com/a1392cd807a8565718866d27255de64e

Thanks for the help. :)