Relax, you can't be banned for trainers or rank hacks. And no your not banned. Try if it's loading a map, sit there and let it load. Don't be impatient and click around, or you'll get an error of blah blah blah has stopped responding. Mine sometimes takes over a minute to load when I run the game for the first time of the day. If that doesn't fix it, enable stereo mix in your sounds> recording.