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Facebook games won't work after Nightly update

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After Nightly's update today all Facebook games except words with friends state that my Adobe Flash Player plugin is disabled, but it is not. I have cleared my cache, tried to troubleshoot in Safe Mode, uninstalled and reinstalled AFP, and tried following several more of the troubleshooting tips. Can anyone help?

After Nightly's update today all Facebook games except words with friends state that my Adobe Flash Player plugin is disabled, but it is not. I have cleared my cache, tried to troubleshoot in Safe Mode, uninstalled and reinstalled AFP, and tried following several more of the troubleshooting tips. Can anyone help?

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Firefox Nightly is for developers working on building Firefox only. It breaks often and is not meant to be used for normal web browsing. Please downgrade to the release version of Firefox (v37) using an installer on this page: https://www.mozilla.org/en-US/firefox/all/

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That is a problem with e10s. Plugins fail when e10s is off (disabled) for some reason.

  • Bug 1158270 - Plugins can't run if e10s is force-disabled