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Firefox v.80.0: some html5 video players are reporting an error
Getting an error on some video players
On youtube: "Your browser does not currently recognize any of the video formats available. "
This only started happening after updating firefox, I have disabled all of my plugins to no avail.
fixed after updating windowsRead this answer in context 👍 0
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I have also tried refreshing firefox through the about:support page, but that didn't work
Hmm, normally Firefox can play WebM video without external assistance, but there may be problems with MPEG-encoded video if Firefox cannot access the Microsoft Media Foundation components. I have a copy of Google's old test page to see whether the problem with with MP4/H.264:
attached are the results from that page
It seems Firefox is having a problem using Microsoft Media Foundation. Has Firefox mentioned needing to install a Media Feature Pack, as described in the support article I mentioned earlier?
I have not gotten any prompts about it. When I try to follow the steps of that support article my Settings > Apps > Apps and Features > Optional Features > Add a Feature does not have "Media Feature Pack" listed as an optional download.
I don't know why there is a breakdown between Firefox and Windows. I saw a thread like that on Reddit over the weekend, but hopefully you can find a less drastic solution:
fixed after updating windows