Bug Description: Attacking something from out of combat and enabling flurry of blows as a monk causes improved expertise to activate and waste an entire round in combat to disable.
Recreation: Play a monk, be stealthed or invisible with flurry of blows enabled and have the improved expertise feat. Attack something while invisible or from out of combat and it will enable improved expertise for the entire first round of combat. You have to have activated improved expertise previously while having been logged on.