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Amazon Prime Video won't play

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  • Freagra is déanaí ó NoahSUMO

steveaaayyy
steveaaayyy
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The 125.0.2 update broke Amazon Prime Video. Firefox refuses to play ANY video, causes website to return a "That shouldn't have happened" error page. Prime Video plays just fine on Safari 16.6.1, macOS 11.7.10. Amazon says just to use Safari, but I want Firefox to work right.

The 125.0.2 update broke Amazon Prime Video. Firefox refuses to play ANY video, causes website to return a "That shouldn't have happened" error page. Prime Video plays just fine on Safari 16.6.1, macOS 11.7.10. Amazon says just to use Safari, but I want Firefox to work right.
Attached screenshots

Réiteach roghnaithe

I solved the problem on my end by disabling the extension "ClearURLs"

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All Replies (5)

NoahSUMO
NoahSUMO
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Here's a direct link to go back to 125.0.1: https://ftp.mozilla.org/pub/firefox/releases/125.0.1/mac/en-US/Firefox%20125.0.1.dmg

I'm curious to see if that really gets Amazon Prime video working again. Let us know if it does.

zeroknight
zeroknight
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Try clearing site cookies and disabling Tracking Protection for the site.

Does it still happen in Troubleshoot Mode?

gwendrenee
gwendrenee
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This is happening to me as well, same error. I checked version number, and there was an update available, so applied that, and upgraded to 129.0 (64-bit). The error still happens, any time I try to pull up a videos page on prime video, I get the "That shouldn't have happened" error. Does not happen in Chrome.

gwendrenee
gwendrenee
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Réiteach Roghnaithe

I solved the problem on my end by disabling the extension "ClearURLs"

NoahSUMO
NoahSUMO
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gwendrenee, great work! I would have not expected that addon to do that but since it does strip out a lot of tracking parts of a url, this could have angered Prime Video & broke the videos.

And the original poster of this thread also has ClearURLs 1.26.1 installed as well! Thanks again for letting us know what fixed it!