Quote Originally Posted by stokedambition View Post
I'm currently full exited (ctrl+alt+delete, and end program) And see if that kicks me out of the quest.
Edit: Confirmed, unfreezes you. Just don't do the quest till bug is fixed.
Tell us how that works for you. My client has been "loading" my instance for 15 minutes now, after the first time I received the above mentioned error.

EDIT: I will certainly try that, thank you.