Getting "No video with supported format and MIME type found" on few websites
I am facing this error message while streaming videos. But it doesn't appear in every video, just on some few websites. Things I have tried so far: clearing cache & cookies but failed reinstalled firefox but failed disabled add ons, even started firefox in safe mode but failed reinstalled windows a few days ago but still same.
I have tried using different browsers such as chrome, opera, edge and it works fine in all of them. Is there any solution for this issue?
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If you have Windows 10 N or KN then you may not have the Media Feature Pack installed. https://support.mozilla.org/en-US/kb/fix-video-audio-problems-firefox-windows
https://support.mozilla.org/en-US/kb/fix-video-audio-problems-firefox-windows
https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues
https://support.mozilla.org/en-US/kb/html5-audio-and-video-firefox
https://support.mozilla.org/en-US/kb/troubleshoot-issues-with-plugins-fix-problems
https://support.mozilla.org/en-US/kb/warning-unresponsive-plugin