I'm on Windows 10 pro 64 and ... a usual mp4 video with separate m4a audio file can't be played without severe flaws like...
- no positioning of the playhead possible - runs always from the beginning.
- in earlier versions VLC filtered out only audio files in the case of separate video and audio files in the file browser for the audio file... now shows everything (without a recognizable logic, sorry!)
- Sometimes it happens, that usual replay triggers a transmission of the file on the network (!!!) only by pressing "play"
Conclusion: VLC was never a really straight forward and bug-free program (in the sense of a release, it more reminded me on Beta). But 3.06 (which is claimed to be a release) is simply p o o r. That's why I have de-installed it immediately after a few tests. Not worth 5 minutes of time - pure time waste. More