I used the app Burn to burn a DVD from a single .mp4 file (which Burn converted to .mpg) in the "video" section using a DVD-Video format. I did change the setting to NTSC for America and am burning onto a DVD-R. When finished, the DVD plays on my Mac and on a DVD/VHS combo machine I have, but it does not play on my Magnavox MWD200F DVD player. It accepts the disc but shows a "Playback feature may not be available on this disc" error on the screen. I have gotten other videos burned in a different way on the same DVD-R discs to work in the Magnavox player so I know it isn't the type of disc. I am trying to burn a 1.5 hour video onto a 4.7 GB disc (2 hour), so overwriting isn't the problem either. Any thoughts on why this is happening or how to burn a disc that will play in the Magnavox DVD player would be greatly appreciated.