I do have afterburner, not using it at the moment. Bat file is very simple, but it worked for a long time previously so I don't think that is the issue.
Here is the bat, obviously I took out the usernames and whatnot:
EthDcrMiner64.exe -epool coinotron.com:3344 -ewal user.worker -esm 2 -epsw password -allpools 1