Videos not playing on Amazon Prime Video
Amazon Video player not working on Windows 10, says have to update firefox, but firefox shows it's latest version
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Whenever you get a message / popup that software / files need to be updated;
DO NOT USE ANY OF PROVIDED LINKS
While this may be a legitimate message, it could also be Malware or a Virus. Anytime you want or need to check for upgrades, go to the website of the True Owner of the program in question. For example, to check out Firefox, go to https://www.mozilla.org
You can report such a site at;
http://www.google.com/safebrowsing/report_phish/
Google Report Phishing Page
which is the same when done while on site by going to
Help > Report Web Forgery
http://www.mozilla.org/en-US/legal/fraud-report/ Help us safeguard Mozilla’s trademarks by reporting misuse
https://support.mozilla.org/en-US/kb/avoid-and-report-mozilla-tech-support-scams
https://support.mozilla.org/en-US/kb/how-reset-default-user-agent-firefox
Do you have enabled "Resist Fingerprinting" if you check ‘’’Resist Fingerprinting’’’
on the ‘’’about:config’’’ page as this affects the user agent?
- privacy.resistFingerprinting = false
- https://support.mozilla.org/en-US/kb/firefox-protection-against-fingerprinting
’’’Avast AntiTrack’’’ is also known to cause this issue.
Make sure you have the latest Widevine version (4.10.2391.0).
- 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.