Your Firefox extensions are all disabled? That's a bug!

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  1. Borg 386's Avatar
    Posts : 24,728
    Win 7 32, Win 7 64 Pro, Win 8.1 64 Pro, Win 10 64 Education Edition

    Your Firefox extensions are all disabled? That's a bug!

    UPDATE 5/13: Disabled Add-on Fix for Firefox 52 - 56 – Get this Extension for 🦊 Firefox (en-US)

    UPDATE 5/10: Mozilla response to recent Firefox broken add-ons error

    UPDATE 5/5: Extenstions fixed in new Firefox 66.0.4

    Many Firefox users around the world are browsing without their usual set of extensions after they suddenly stopped working earlier this evening. The event occurred as the clock rolled over on UTC (Coordinated Universal Time, aka GMT or Greenwich Mean Time), and impacted users quickly narrowed it down to "expiration of intermediate signing cert" -- as it's described on Mozilla's bug tracker.
    Some Firefox users started to notice that installed browser extensions were all disabled in the web browser suddenly. Extensions would display "could not be verified for use in Firefox and has been disabled" messages in the add-ons manager of the browser. Firefox would display "One or more installed add-ons cannot be verified and have been disabled" at the top as a notification next to that.

    Affected extensions include LastPass, Ghostery, Download Manager (S3), Dark Mode, Honey, uBlock Origin, Greasemonkey, NoScript, and others.

    Update: Mozilla started to roll out a fix for Release, Beta, and Nightly versions of Firefox. The fix uses Mozilla Studies, and you need to make sure that this is enabled to get it. Mozilla notes that you may disable Studies again after the fix is applied and add-ons have been re-enabled. You need to make sure that "Allow Firefox to install and run studies" is checked on about references#privacy.
    Your Firefox extensions are all disabled? Thats a bug! - gHacks Tech News

    Firefox disabled all add-ons because a certificate expired (updated)

    Update 3 (5/4, 7:30 AM ET): The team has announced a hotfix is rolling out now. It's applied in the background, so you shouldn't have to do anything to receive it. However, to make sure you get it right away, you can follow these instructions:
    In order to be able to provide this fix on short notice, we are using the Studies system. You can check if you have studies enabled by going to Firefox Preferences -> Privacy & Security -> Allow Firefox to install and run studies.

    You can disable studies again after your add-ons have been re-enabled.
    We rolled out a hotfix that re-enables affected add-ons. The fix will be automatically applied in the background within the next few hours.
    For more details, please check out the update at

    Mozilla Add-ons (@mozamo) May 4, 2019
    So sorry for the issue we're having with add-ons right now!

    We're working hard to fix it and will keep you updated.

    Firefox 🔥 (@firefox) May 4, 2019
    No ETA for the fix yet; we're waiting on test results before making decision.

    Mozilla Add-ons (@mozamo) May 4, 2019
    Temporary workaround posted here if you can't wait for the fix:

    As of 12:00 am UTC, nearly all Firefox extensions are disabled. Itt work. : firefox
    Last edited by Brink; 13 May 2019 at 15:03. Reason: added icon
      My ComputerSystem Spec

  2.   My ComputersSystem Spec

  3.    #2

    Mine are not disabled on Firefox 67 BETA 16.
      My ComputerSystem Spec

  4. Eddie Doc's Avatar
    Posts : 274
    Windows 10 Home Version 1903 OS Build 18362.239

    When I turned on my PC again, around 13:30, my addons were working again. Phew!
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  5. f14tomcat's Avatar
    Posts : 42,137
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    On 67b16, and never saw this issue. These are disabled in my FF, but all is well anyway. States they need to be enabled to receive the "fix". Perhaps Mozilla collects a wee bit of telemetry no matter what you have set. Nah......

    Click image for larger version. 

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  6. ThrashZone's Avatar
    Posts : 5,008
    3-Win-7Prox64 2-Win10Prox64

    Yep all forum unspeakable add-ons are unsigned and disabled on firefox
    Thankfully not on palemoon so easy switch
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  7. Bree's Avatar
    Posts : 11,639
    10 Home x64 (1903) (10 Pro on 2nd pc)

    There was me thinking this doesn't affect me as I don't have any add-ons. But I got a warning bar across the top of FF saying my add-ons have been disabled.

    Click image for larger version. 

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    Clicking on Learn More gave this 'helpful' page.

    Click image for larger version. 

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    Last edited by Bree; 04 May 2019 at 11:21. Reason: added 'warning' screenshot
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  8.    #7 I right in assuming only v66.0 has this issue?
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  9. Wynona's Avatar
    Posts : 23,653
    Windows 10 Skip Ahead Preview Build 18312

    Superfly said: View Post I right in assuming only v66.0 has this issue?
    Yup. And when I converted to 67 beta 16, I still had the problem. If you see something saying 67.04 is a fix, don't install. It broke FF when I installed it.
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  10.    #9

    Wynona said: View Post
    Yup. And when I converted to 67 beta 16, I still had the problem. If you see something saying 67.04 is a fix, don't install. It broke FF when I installed it.
    OIC, Thanx Wynona.. sure is a mess!
      My ComputerSystem Spec

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