Trying to convert 4K .mov videos to mp4 with VLC. After several times through the process it did finally convert the video but this error pops up and it won't play. :
FIX: Windows 10/11 can't play MP4 files [VLC, Media Player]
Trick to Convert Any Video File to MP4 Format Using VLC Player [Updated]
Solution on MP4 Video Not Playing on VLC Player
FIX: Windows 10/11 can't play MP4 files [VLC, Media Player]
Solution to Slow MP4 Playback on VLC and Other Players - TurboFuture
Tips for Fixing VLC Player Has No Sound
Fix VLC Player Not Playing MP4 Videos Issue
How to play MP4 files on Windows 11/10
VLC MP4- Why can't I play MP4 on VLC Media Player?