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"Plugin Check" page comes up every time I open Firefox. How do I stop this?

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Every single time I open Firefox, the "Plugin Check" page opens in a second tab. I do not need to check my plugins. They're all up to date. Why does this page continue to come up and how do I stop it from opening?

Every single time I open Firefox, the "Plugin Check" page opens in a second tab. I do not need to check my plugins. They're all up to date. Why does this page continue to come up and how do I stop it from opening?

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Type about:config in the URL bar and hit Enter.
If you see the warning, you can confirm that you want to access that page.

Pref = plugins.update.notifyUser -- if it shows as True, double-click that pref to toggle it to False

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I've tried the suggestion of using the settings in "about:config" and the plugin tab still appears every time. I may resort to calling in Mozilla.

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Actually when I toggled every link with the world "plugin" to False it seemed to work.

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You can correct this issue by forcing the file blocklist.xml to update or wait until Firefox updates the file.
That update will remove the severity="0" flags in the file that cause the problem.

See:

  • Bug 663722 - The blocklist output is including severity="0" where it shouldn't be