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"The Media Could Not Be Played" on Twitter w/FF Quantum

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Video on twitter(and Embedded twitter vids on outside sites) get "The Media Could not be played" error msg.

I went here and all check marks are blue, yet videos still do not work. https://www.youtube.com/html5/

They work on Chrome & Safari, and I did not start seeing this problem until upgrade to FF Quantum

Video on twitter(and Embedded twitter vids on outside sites) get "The Media Could not be played" error msg. I went here and all check marks are blue, yet videos still do not work. https://www.youtube.com/html5/ They work on Chrome & Safari, and I did not start seeing this problem until upgrade to FF Quantum

Alle Antworten (3)

Firefox has this :

As says can sometimes break a page.

Update Video Card Drivers.

Please Refresh but do this 1st:

then

TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...:

If is your Profile :

Note: Any customization will revert back to default, you will also need to reinstall Extensions.

Please let us know if this solved your issue or if need further assistance.

EmbraceTheBald said

Video on twitter(and Embedded twitter vids on outside sites) get "The Media Could not be played" error msg. I went here and all check marks are blue, yet videos still do not work. https://www.youtube.com/html5/ They work on Chrome & Safari, and I did not start seeing this problem until upgrade to FF Quantum

Not necessary a bug in Firefox.

https://support.mozilla.org/en-US/questions/1195465#answer-1051992

^:

You can check the Web Console for error messages to see if this is the same CSP issue.

  • "3-bar" menu button or Tools -> Web Developer