Shotgun Circus

Recently I've been having weird problems with CoX.
I'll log on, and freeze. Sometimes after 5 minutes, something after 5 hours. It completely crashes my computer, to the point sometimes I can't boot up properly. It only happens when Im playing CoX.

It's not the graphics, They're turned down. Nothing running in the background, And my computer specs are more then enough to play it.

Any ideas?