I'm having a very similar problem! Mine is like Action! doesn't recognize my second monitor when recording. I can set up a region recording on monitor 2, and it only records that region on monitor 1. It's so frustrating, especially since I HAVE to have my game running on my 2nd monitor.

Just testing out Action! as recommended by a friend (have framerate issues when recording with my current software) Setup seemed easy enough, though no matter what I do I can't get my secondary monitor to record. My primary monitor is off to my left, and my secondary is directly in front of me, and ...