First check your logs, make adjustments/corrections if needed and then report.
From your log after stopping movie: RefreshRateChanger.SetRefreshRateBasedOnFPS: could not find a matching refreshrate based on 0 fps (check config)
From your log after stopping movie: RefreshRateChanger.SetRefreshRateBasedOnFPS: could not find a matching refreshrate based on 0 fps (check config)