To fix the unsupported video format in Windows 11/10, you need to convert the video to a supported format. Alternatively, you can install the missing codec via the media player, Microsoft Store ...

Thus, Microsoft released a fix which blocks the codec from being launched in Internet Explorer or Windows Media Player, and also removes the ability for it to be loaded when browsing the Internet ...

If you see 0x80070016 error in Movies & TV app on Windows 11/10, then run Video Playback troubleshoot, install a codec pack, reset the app, etc.