Can you simply File > Open a mp4 or use Open Other > Noise and it plays?
This looks like an OpenGL-related problem. You should try the different options in Settings > Display Method
You should also try rebooting if you have not.
Can you simply File > Open a mp4 or use Open Other > Noise and it plays?
This looks like an OpenGL-related problem. You should try the different options in Settings > Display Method
You should also try rebooting if you have not.