Can't play video on Instagram/Twitter

Make sure you are not blocking content.

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

One issue that seems more common lately is Firefox's Content Blocking. When it is blocking content in a page, a shield icon will appear at the left end of the address bar next to the padlock icon. This article has more info on managing this feature:

https://support.mozilla.org/en-US/kb/content-blocking

problem is still save

joker_break said

problem is still save

Hello joker_break,

Would you please take a look at this :

https://askubuntu.com/questions/1035661/playing-videos-in-firefox

Make sure you have the latest FFmpeg packages installed.

You can check the Web Console for media related messages.

• "3-bar" menu button or Tools -> Web Developer
• https://developer.mozilla.org/en-US/Tools/Web_Console

joker_break said

Thanks a lot! Problem solved!

My pleasure - enjoy your videos !