Help please !!

Its my first time that i am trying to play KF online. I installed Garena Plus Beta. I have Installed the patch of Killing floor. I click LAN , I choose KF i enter the europe room 1 i click start and i get an error.

please Help.

if you seach on google killing floor error no video or something i had this prob and i got a fix somewhere jsut seach and look

hm.... Problem is i got crash on start!