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![Solved]QuickTime Doesn't Open/Play an .MP4 file](https://www.easefab.com/images/quicktime-not-play-mp4.jpg "Solved]QuickTime Doesn't Open/Play an .MP4 file")
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![Solved] MP4 Not Playing on Windows 10 VLC/WMP/QuickTime](https://www.5kplayer.com/video-music-player/img/5kplayer-mp4-player.png "Solved] MP4 Not Playing on Windows 10 VLC/WMP/QuickTime")