Just gonna slam my head into desk. New Marketing woman had been pestering me about a video not playing on her laptop. Been running round in circles trying to make it play, it relies on HEVC, eventually got VLC to show something but the computer struggled with it. She’s moaning how playing video is important, so I get her to try a different video as I suggested in the first place to help me diagnose the issue. Works fine. IT WAS JUST THIS ONE FLIPPING VIDEO