Is it Possible to Bind more then 1 Ability to a Hotkey at once

Oh I was going to Post Help you beat me too it

Ok so whenever I go anywhere and even log into some of my Players it loads the area then Close SWTOR and the theres a pop up saying Error C11 Any one got a Fix for Me I like: yesterday just Subbed and I'm mad I cant even play plz Help

Yeah I got the Glitch too I cant even Go to Fleet its SO annoying and I also just Subbed:( any help nothing is Helping