Hi,
Wow error 134 is pesky. It makes you unable to play the game. You must be in search of such solutions that will resolve the problem entirely and have accurate solutions. To get rid of above error you have to perform the tweaks given below:
Disable your system's firewall
Disable anti-virus program
Clean Windows Registry errors
and so on...
the best way to get complete solution steps to resolve the error is to visit the tutorial that I am talking about. You can get it from here http://www.slideshare.net/CarmenPomes/how-to-fix-wow-error-134-fatal-condition
I am hopeful that you will completely resolve the problem.
Best of luck!!