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My browser will not play most videos including mp4

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I have windows 10 and the latest update of firefox and many normal mp4 videos and videos of other formats will not play. I do not understand why or how to fix it please help

I have windows 10 and the latest update of firefox and many normal mp4 videos and videos of other formats will not play. I do not understand why or how to fix it please help

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Were you able to before?

Do you by chance have a N or KN edition of Windows 10 ?. If so then you may need to have media feature pack installed.

https://support.mozilla.org/en-US/kb/fix-video-audio-problems-firefox-windows

Helpful?

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No I have basic Home edition no weird versions. It is just Basic windows 10 home edition.

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