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

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


    Posted: 04 May 2019
    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 https://discourse.mozilla.org/t/certificate-issue-causing-add-ons-to-be-disabled-or-fail-to-install/39047/14

    — 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
    Brink's Avatar Posted By: Brink
    04 May 2019



  2. ranett
    Posts : 1,052
    Windows 7 Home Premium x64
       New #1

    I shelved it until they get their act together.
      My Computer
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  4. svnfrms2r
    Posts : 106
    Windows 7 Ultimate x64 SP1, updated to latest Java and .NET
       New #2

    This QuickFIX worked for me (and helps avoid similar screw-ups):
    #1 disable auto-update for FF and add-ons
    #2 disable studies
    #3 go to URL "about:config" and set "xpinstall.signatures.required" to "false"
    #4 close browser
    #5 restart and enjoy the old world w/o being remote controlled

    PS: make a backup or sys restore point before updating your browser (ideally only manually, as not even FF can be trusted anymore, screwed up by goog/m$ft/etc)

    PPS: worth a read: All extensions disabled due to expiration of intermediate signing cert | Hacker News
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  5. spc3rd
    Posts : 101
    Win 7 Home Premium x64 SP1
       New #3

    The 4 Add-ons I had in FF just became disabled about an hour ago. Any idea of just how long it will take for them to come back via whatever "fix" Mozilla is sending out?

    Thanks for any info.

    [UPDATE @ 6:49 P.M.]

    Just got my 4 Addons back.
      My Computer
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  7. jc836
    Posts : 152
    Windows 7 Enterprise 64bit Desktops; Windows 7 Professional 64Bit 17"Laptop
       New #4

    Easy fix - no hack required


    BACKUP Bookmarks before doing this!!

    The simple fix I found is to completely uninstall Firefox 66.0.3. I used Revo and the Advanced setting in it for the Registry entries. I rebooted and performed a Custom install. You will be able to install you Extensions, Themes and Plugins again.
      My Computer
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  8. poorguy
    Posts : 203
    Linux
       New #5

    I just updated Firefox to 66.04 and installed my one and only extension ublock origin and all is well.
      My Computer
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  9. Struggling7
    Posts : 74
    Windows 7 Home Premium 32bit.
       New #6

    poorguy said:
    I just updated Firefox to 66.04 and installed my one and only extension ublock origin and all is well.
    I also only had ublock origin extension but mine never disappeared on 66.0.3 version. Don’t know if it matters but my system is (32bit) and on Win 7 Home Premium.
    Last edited by Struggling7; 05 May 2019 at 18:53. Reason: Correct spelling of ublock
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  11. file3456
    Posts : 0
    Windows 7 Ultimate x64
       New #7

    svnfrms2r said:
    This QuickFIX worked for me (and helps avoid similar screw-ups):
    #1 disable auto-update for FF and add-ons
    #2 disable studies
    #3 go to URL "about:config" and set "xpinstall.signatures.required" to "false"
    #4 close browser
    #5 restart and enjoy the old world w/o being remote controlled

    PS: make a backup or sys restore point before updating your browser (ideally only manually, as not even FF can be trusted anymore, screwed up by goog/m$ft/etc)

    PPS: worth a read: All extensions disabled due to expiration of intermediate signing cert | Hacker News

    This is exactly what I did for my parent's computer. Does the signature require pref mean that add-ons won't look for a Sig and thus bypass any future issue like this again?
      My Computer
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  12. TBugReporter
    Posts : 30
    Windows 7 Home Premium (64bit)
       New #8

    Okay, since the folks at Mozilla themselves have labeled this travesty as "ArmagAdd-on 2.0", why didn't they learn their lesson from "ArmagAdd-on 1.0" (whatever that was)?
      My Computer
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  13. poorguy
    Posts : 203
    Linux
       New #9

    TBugReporter said:
    Okay, since the folks at Mozilla themselves have labeled this travesty as "ArmagAdd-on 2.0", why didn't they learn their lesson from "ArmagAdd-on 1.0" (whatever that was)?
    People make mistakes .. we're all human.

    It's not mistakes that are the problem (they're to be expected from time to time, EVERYONE makes them), it's how they're handled when they're made that counts.
      My Computer
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