Try downloading Firefox from Mozilla, run it from the folder and see if you have the same issue. https://www.mozilla.org/en-US/firefox/all/#product-desktop-release The sites work for me. Make sure you have current ffmpeg and libav updates. see screenshots

Operating System: openSUSE Tumbleweed 20220607 KDE Plasma Version: 5.24.5 KDE Frameworks Version: 5.94.0 Qt Version: 5.15.2 Kernel Version: 5.18.1-1-default (64-bit) Graphics Platform: X11 Processors: 4 × Intel® Core™ i7-4810MQ CPU @ 2.80GHz Memory: 31.0 GiB of RAM Graphics Processor: Mesa Intel® HD Graphics 4600

How can I make sure or update these files? ffmpeg and libav. Thanks.

I downloaded it and ran it from the folder and still had the same error message and couldn't play the video.

Here ya go.

This links shows how to install in Fedora. https://www.cyberciti.biz/faq/how-to-install-ffmpeg-on-fedora-linux-using-dnf/

Are those videos DRM protected ? In that case you need the Widevine plugin, see "Add-ons -> Plugins".

Make sure you have the latest Widevine version (4.10.2391.0).

• chrome://global/content/gmp-sources/widevinecdm.json
• Tools -> Add-ons -> Plugins

You can toggle DRM off/on to see if that makes Firefox (re)load DRM components.

• Settings -> General: Play DRM
• https://support.mozilla.org/en-US/kb/enable-drm

You can possibly check the XHR requests in the Browser Console if this doesn't work.

• https://developer.mozilla.org/en-US/docs/Tools/Browser_Console

Thank you all.

jonzn4SUSE I can't find that file in my home folder to check what version and I have show hidden files.

Thank you all. jonzn4SUSE I can't find that file in my home folder to check what version and I have show hidden files.

Version of what file? Is this issue really resolved?

The file that states the version of the ffmpeg that you showed me where it was that I can't find in my home folder. Yes this is solved. Thanks.