I also had a really cryptic error that I was able to solve by unplugging my xbox 360 controller wireless adapter. I later figured out that I could have also jus

I also had a really cryptic error that I was able to solve by unplugging my xbox 360 controller wireless adapter. I later figured out that I could have also just started TF2 with the -nojoy option. Things feel really beta (but that's ok given that it is one).