The VideoLAN Forums

The reason is found. There is no audio track. In more detail https://code.videolan.org/videolan/vlc/-/issues/27198
I went back to the old version VLC Player 3.0.16

I am also having trouble watching videos of MOV Prores 4444 Alpha. Sound plays but no picture. The workaround doesn't help me. Video file made with After Effects 2021. I'm using the Portable version of VLC -3.0.17.4 I have Windows 10 installed. Version 10.0.19044 / Build 19044 AMD Ryzen 5 processor ...