Game crashes after pressing the "Play" button

Hello everyone and sorry for my bad english.

Every time i start the game and press the "play" butten in main menu, the server browser pops up and the game crashes.

Here is my TechSupport Link:

https://www.dropbox.com/s/o02x1aculkpsjv7/tech_support.zip

i hope i can find somebody here, who can help me.

Thank you