Sounds like the Motion Boost is struggling with higher bitrate 1080p files rather than your PC itself. You could try lowering the motion/detail settings a bit or checking if hardware acceleration is properly enabled.

Yeah, that can be annoying. Action! tends to hook into many apps when desktop recording is enabled. You might want to switch to Game recording mode instead of desktop mode in the settings. That way it focuses only on detected games and won’t create folders for every application you open.

Try switching Action!’s hardware encoder to NVENC, lowering the recording bitrate a bit, and turning off background overlays. Stutters usually come from the encoder struggling or the game running in “fullscreen exclusive.” Also check if Windows Game DVR or any other recorder is running in the backgr...