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Widevine CDM 4.10.2209.1 update April 21, 2021, crashes every time in Firefox 78 browser

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The Widevine CDM 4.10.2209.1 plugin crashes every time in Firefox 78 browser. Was updated on April 21, 2021, maybe it's a bug? I'm not able to uninstall the plugin. Any help would be appreciated, thank you!

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Solution found on this thread: https://support.mozilla.org/en-US/questions/1333571?page=1

Namely, by doing this: "Rolled back to 78.9.0esr and this solved the problem. Downloaded here: http://ftp.mozilla.org/pub/firefox/releases/78.9.0esr/mac/

This also requires turning off auto updates on Firefox via Preferences. The above webpage has many varieties of FF. So look for the US Eng version.

I used this page: http://ftp.mozilla.org/pub/firefox/releases/78.9.0esr/mac/en-US/

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thank you!

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