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Firefox disabled all Add-ons. Attempting to download replacement Add-ons returns "Download failed. Please check your connection." error message.

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On 5/3/19 Firefox suddenly alerted me that it disabled all of my Add-ons stating that "These extensions do not meet current Firefox standards so they have been deactivated."

Immediately below this message, Firefox gives me the option to "Find a Replacement" Add-on.

After going through this process and locating the replacement Add-on, all attempts to download this (or any other Add-on) produce an error message stating "Download failed. Please check your connection."

However, my internet connection is working just fine.

I am running the latest version of Firefox (66.0.3 (64-bit)). And I have tried downloading the Add-on with my anti-virus temporarily disabled (with no success).

Screen captures are attached.

Does anyone know what is causing this issue and how to fix it?

Thanks in advance.

On 5/3/19 Firefox suddenly alerted me that it disabled all of my Add-ons stating that "These extensions do not meet current Firefox standards so they have been deactivated." Immediately below this message, Firefox gives me the option to "Find a Replacement" Add-on. After going through this process and locating the replacement Add-on, all attempts to download this (or any other Add-on) produce an error message stating "Download failed. Please check your connection." However, my internet connection is working just fine. I am running the latest version of Firefox (66.0.3 (64-bit)). And I have tried downloading the Add-on with my anti-virus temporarily disabled (with no success). Screen captures are attached. Does anyone know what is causing this issue and how to fix it? Thanks in advance.
Attached screenshots
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Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0

More Information

zj-1997 0 solutions 4 answers

Helpful Reply

I'm having this exact problem on two computers...I was reading a page, then suddenly I had a little yellow bar pop up telling me some of my extensions are no longer verified. Turns out it's all of my extensions. In addition, ALL of my unpinned tabs have disappeared, along with my customizations. I'm not happy at all right now. >:(

I'm having this exact problem on two computers...I was reading a page, then suddenly I had a little yellow bar pop up telling me some of my extensions are no longer verified. Turns out it's all of my extensions. In addition, ALL of my unpinned tabs have disappeared, along with my customizations. I'm not happy at all right now. >:(
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jscher2000
  • Top 10 Contributor
8425 solutions 68745 answers

I don't think forum volunteers yet know the cause or remedy for this problem. However, know that dozens of people are reporting the same thing in recent hours, so it may be due to a rolling update gone wrong.

I don't think forum volunteers yet know the cause or remedy for this problem. However, know that dozens of people are reporting the same thing in recent hours, so it may be due to a rolling update gone wrong.
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korla2 0 solutions 2 answers

I am having the same problem

I am having the same problem
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AZBruno 1 solutions 14 answers

While I have not had firefox disable any of my add-ons, I am having the problem where no add-ons can be updated or installed.

While I have not had firefox disable any of my add-ons, I am having the problem where no add-ons can be updated or installed.
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nerdynanny 0 solutions 1 answers

Exact same issue here-- I'm glad I'm not the only one. I've gone as far as to use a VPN and I still encounter the issue.

Seems like the servers are having a problem-- either that or an update bungled everything up. What's strange is that my primary session isn't affected-- it's additional sessions/profiles I run simultaneously.

Are you noticing the problem on your default profile-- or is it only impacting the others?

Exact same issue here-- I'm glad I'm not the only one. I've gone as far as to use a VPN and I still encounter the issue. Seems like the servers are having a problem-- either that or an update bungled everything up. What's strange is that my primary session isn't affected-- it's additional sessions/profiles I run simultaneously. Are you noticing the problem on your default profile-- or is it only impacting the others?
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Smith299 0 solutions 7 answers

FWIW, I've run into this problem tonight but a friend hasn't.

A friend is running the same version as I am, 64 bit Firefox, v66.0.3 and right at this moment, I've having the problem but all of his add-ons and extensions are working.

So the bug might not be affecting all Firefox users. Why some have the problem and others aren't is another mystery about this bug.

FWIW, I've run into this problem tonight but a friend hasn't. A friend is running the same version as I am, 64 bit Firefox, v66.0.3 and right at this moment, I've having the problem but all of his add-ons and extensions are working. So the bug might not be affecting all Firefox users. Why some have the problem and others aren't is another mystery about this bug.

Modified by Smith299

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jscher2000
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8425 solutions 68745 answers

Helpful Reply

The Add-ons team is working on a fix for this. It looks like a certificate used to sign many popular extensions expired. (The verification process checks that certificate.)

I don't know how soon re-signed versions of those extensions will become available, or whether another workaround will be discovered. We are all hoping to learn more soon.

Smith299 said

FWIW, I've run into this problem tonight but a friend isn't. A friend is running the same version as I am, 64 bit Firefox, v66.0.3 and right at this moment, I've having the problem but all of his add-ons and extensions are working. So the bug might not be affecting all Firefox users. Why some have the problem and others aren't is another mystery about this bug.

Possibly it is related to when your Firefox does its daily extension updates check? Unfortunately, it's too late for people already affected by this issue to "un-update".

The Add-ons team is working on a fix for this. It looks like a certificate used to sign many popular extensions expired. (The verification process checks that certificate.) I don't know how soon re-signed versions of those extensions will become available, or whether another workaround will be discovered. We are all hoping to learn more soon. ''Smith299 [[#answer-1217950|said]]'' <blockquote> FWIW, I've run into this problem tonight but a friend isn't. A friend is running the same version as I am, 64 bit Firefox, v66.0.3 and right at this moment, I've having the problem but all of his add-ons and extensions are working. So the bug might not be affecting all Firefox users. Why some have the problem and others aren't is another mystery about this bug. </blockquote> Possibly it is related to when your Firefox does its daily extension updates check? Unfortunately, it's too late for people already affected by this issue to "un-update".
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Question owner

nerdynanny,

Thank you for the feedback. To answer your questions:

I've never created any additional profiles in Firefox, so I've only been using the default.

I also typically only run one session of Firefox at a time, so I have not performed any trouble-shooting with multiple sessions active.

Seems like this issue is very widespread. I'm hoping the clever developers at Mozilla are all over it like a second date...

nerdynanny, Thank you for the feedback. To answer your questions: I've never created any additional profiles in Firefox, so I've only been using the default. I also typically only run one session of Firefox at a time, so I have not performed any trouble-shooting with multiple sessions active. Seems like this issue is very widespread. I'm hoping the clever developers at Mozilla are all over it like a second date...
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Smith299 0 solutions 7 answers

jscher2000 said

The Add-ons team is working on a fix for this. It looks like a certificate used to sign many popular extensions expired. (The verification process checks that certificate.) I don't know how soon re-signed versions of those extensions will become available, or whether another workaround will be discovered. We are all hoping to learn more soon. Smith299 said
FWIW, I've run into this problem tonight but a friend isn't. A friend is running the same version as I am, 64 bit Firefox, v66.0.3 and right at this moment, I've having the problem but all of his add-ons and extensions are working. So the bug might not be affecting all Firefox users. Why some have the problem and others aren't is another mystery about this bug.

Possibly it is related to when your Firefox does its daily extension updates check? Unfortunately, it's too late for people already affected by this issue to "un-update".

I didn't know Firefox did a daily extension updates check. How is that disabled?

I can tell my friend before it's too late.

''jscher2000 [[#answer-1217953|said]]'' <blockquote> The Add-ons team is working on a fix for this. It looks like a certificate used to sign many popular extensions expired. (The verification process checks that certificate.) I don't know how soon re-signed versions of those extensions will become available, or whether another workaround will be discovered. We are all hoping to learn more soon. ''Smith299 [[#answer-1217950|said]]'' <blockquote> FWIW, I've run into this problem tonight but a friend isn't. A friend is running the same version as I am, 64 bit Firefox, v66.0.3 and right at this moment, I've having the problem but all of his add-ons and extensions are working. So the bug might not be affecting all Firefox users. Why some have the problem and others aren't is another mystery about this bug. </blockquote> Possibly it is related to when your Firefox does its daily extension updates check? Unfortunately, it's too late for people already affected by this issue to "un-update". </blockquote> I didn't know Firefox did a daily extension updates check. How is that disabled? I can tell my friend before it's too late.
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DebraBk 0 solutions 7 answers

All extensions disabled.

uBlock Origin Privacy Badger Cookie AutoDelete

Someone needs to learn a little bit about software testing and version control.

If the rolling update caused this, THERE SHOULD BE A MECHANISM TO FALL BACK. Fall back immediately.

All extensions disabled. uBlock Origin Privacy Badger Cookie AutoDelete Someone needs to learn a little bit about software testing and version control. If the rolling update caused this, THERE SHOULD BE A MECHANISM TO FALL BACK. Fall back immediately.

Modified by DebraBk

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jscher2000
  • Top 10 Contributor
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Smith299 said

I didn't know Firefox did a daily extension updates check. How is that disabled? I can tell my friend before it's too late.

See: https://support.mozilla.org/questions/1257899#answer-1217928

I don't know whether that triggers it.

''Smith299 [[#answer-1217962|said]]'' <blockquote> I didn't know Firefox did a daily extension updates check. How is that disabled? I can tell my friend before it's too late. </blockquote> See: https://support.mozilla.org/questions/1257899#answer-1217928 I don't know whether that triggers it.
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Smith299 0 solutions 7 answers

jscher2000 said

Smith299 said
I didn't know Firefox did a daily extension updates check. How is that disabled? I can tell my friend before it's too late.

See: https://support.mozilla.org/questions/1257899#answer-1217928

I don't know whether that triggers it.

Thanks. I've sent a message to my friend. If he can make that about:config change before the bug hits him, whatever happens to Firefox on his machine will yield some useful information.

Edit:

There are millions of FF users, but this support forum hasn't been flooded with posts. That might indicate the problem is relatively small in scope, affecting only a small percentage of users.

OTOH, maybe most people don't know how to get to this section on Mozilla.org. I looked for the support forum and a "register" button and couldn't find either. I had to pretend post a question before the registration option appeared. It was annoying.

OTOOH, maybe Mozilla wants to make it hard for people to post problems to filter out useless posts.

Edit 2:

FWIW, my friend didn't get my message about your suggested about:config workaround until after midnight EDT and now all his add-ons have been disabled.

Edit 3:

My friend switched to Chrome, at least temporarily. I've done the same.

I was surprised that all the add-ons that I used in FF are available on Chrome for free. I didn't know that until now.

''jscher2000 [[#answer-1217970|said]]'' <blockquote> ''Smith299 [[#answer-1217962|said]]'' <blockquote> I didn't know Firefox did a daily extension updates check. How is that disabled? I can tell my friend before it's too late. </blockquote> See: https://support.mozilla.org/questions/1257899#answer-1217928 I don't know whether that triggers it. </blockquote> Thanks. I've sent a message to my friend. If he can make that about:config change before the bug hits him, whatever happens to Firefox on his machine will yield some useful information. Edit: There are millions of FF users, but this support forum hasn't been flooded with posts. That might indicate the problem is relatively small in scope, affecting only a small percentage of users. OTOH, maybe most people don't know how to get to this section on Mozilla.org. I looked for the support forum and a "register" button and couldn't find either. I had to pretend post a question before the registration option appeared. It was annoying. OTOOH, maybe Mozilla wants to make it hard for people to post problems to filter out useless posts. Edit 2: FWIW, my friend didn't get my message about your suggested about:config workaround until after midnight EDT and now all his add-ons have been disabled. Edit 3: My friend switched to Chrome, at least temporarily. I've done the same. I was surprised that all the add-ons that I used in FF are available on Chrome for free. I didn't know that until now.

Modified by Smith299

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Ottomatic 0 solutions 2 answers

This is totally INSANE....I've wasted over an hour deleting FF, re-installing FF, clearing the registry and even restoring Windows. But this stupid Firefox error message implies the problem is on my end....this is so not cool. There is a remedy however....It's called Chrome. Seriously, Chrome has 65% of the browser market share whereas Firefox has fallen to 9%. And their mobile browser share is even more dismal at 1%. Even registering for this community support forum is needlessly cumbersome.

This is totally INSANE....I've wasted over an hour deleting FF, re-installing FF, clearing the registry and even restoring Windows. But this stupid Firefox error message implies the problem is on my end....this is so not cool. There is a remedy however....It's called Chrome. Seriously, Chrome has 65% of the browser market share whereas Firefox has fallen to 9%. And their mobile browser share is even more dismal at 1%. Even registering for this community support forum is needlessly cumbersome.
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Smith299 0 solutions 7 answers

https://bugzilla.mozilla.org/show_bug.cgi?id=1548973

https://www.reddit.com/r/firefox/comments/bkcjoa/all_of_my_addons_got_disabled_and_they_are_all/emggvbx/

FWIW, links to Bugzilla and Reddit pages about this bug.

I didn't find those links, other users posted them in replies to similar questions about this bug.

https://bugzilla.mozilla.org/show_bug.cgi?id=1548973 https://www.reddit.com/r/firefox/comments/bkcjoa/all_of_my_addons_got_disabled_and_they_are_all/emggvbx/ FWIW, links to Bugzilla and Reddit pages about this bug. I didn't find those links, other users posted them in replies to similar questions about this bug.
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wmbos 0 solutions 6 answers

This is a serious problem and Mozilla is famously unresponsive. I guess it is finally time to say goodbye to this crippled browser and move on to one where there is actual support and these kinds of stupid mistakes don't happen. I've wasted too much time over the years to remain a fan of this sad company.

This is a serious problem and Mozilla is famously unresponsive. I guess it is finally time to say goodbye to this crippled browser and move on to one where there is actual support and these kinds of stupid mistakes don't happen. I've wasted too much time over the years to remain a fan of this sad company.
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jscher2000
  • Top 10 Contributor
8425 solutions 68745 answers

Official updates for this problem are expected to be posted here:

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

Currently, the only workaround is to set your system clock back (for example, if your date is May 3, set to May 2; if your date is May 4, set to May 3). You might have to reinstall extensions after that, or maybe Firefox will detect the difference at your next shut down/restart. Changing the date may have other consequences, so this option isn't ideal.

Official updates for this problem are expected to be posted here: https://discourse.mozilla.org/t/certificate-issue-causing-add-ons-to-be-disabled-or-fail-to-install/39047 Currently, the only workaround is to set your system clock back (for example, if your date is May 3, set to May 2; if your date is May 4, set to May 3). You might have to reinstall extensions after that, or maybe Firefox will detect the difference at your next shut down/restart. Changing the date may have other consequences, so this option isn't ideal.
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James
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wmbos said

This is a serious problem and Mozilla is famously unresponsive. I guess it is finally time to say goodbye to this crippled browser and move on to one where there is actual support and these kinds of stupid mistakes don't happen. I've wasted too much time over the years to remain a fan of this sad company.

How are you thinking Mozilla is not aware and not working on this?

They are very aware and working on it. Were you expecting them to somehow contact you directly?

The basic issue is an intermediate certificate that is being used by many authors to sign extensions has expired.

Nothing to do with any version of Firefox web browser.

''wmbos [[#answer-1218110|said]]'' <blockquote> This is a serious problem and Mozilla is famously unresponsive. I guess it is finally time to say goodbye to this crippled browser and move on to one where there is actual support and these kinds of stupid mistakes don't happen. I've wasted too much time over the years to remain a fan of this sad company. </blockquote> How are you thinking Mozilla is not aware and not working on this? They are very aware and working on it. Were you expecting them to somehow contact you directly? The basic issue is an intermediate certificate that is being used by many authors to sign extensions has expired. Nothing to do with any version of Firefox web browser.

Modified by James

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icemandave 0 solutions 11 answers

Having the same problem. Can't download themes or u-Block origins after Firefox removed them without warning. Can't find the deleted themes; can't download any new ones. Can't download any other ad blocker ... or anything for that matter.

Will trust you guys are diligently working on this, as always.

Having the same problem. Can't download themes or u-Block origins after Firefox removed them without warning. Can't find the deleted themes; can't download any new ones. Can't download any other ad blocker ... or anything for that matter. Will trust you guys are diligently working on this, as always.
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wmbos 0 solutions 6 answers

This is not the first such issue with Firefox and getting information out of them is like trying to get water out of rocks. I had to hunt everything down. And, yes, they should get in touch as soon as they know there is a problem, and they don't. How should I know they are working on it? How should I even know I am not the only person affected? I am not telepathic. But if they want support and donations, they have to communicate and not let their users flounder and spend time trying to fix something that the users cannot fix.

This is not the first such issue with Firefox and getting information out of them is like trying to get water out of rocks. I had to hunt everything down. And, yes, they should get in touch as soon as they know there is a problem, and they don't. How should I know they are working on it? How should I even know I am not the only person affected? I am not telepathic. But if they want support and donations, they have to communicate and not let their users flounder and spend time trying to fix something that the users cannot fix.
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Avengement 0 solutions 48 answers

Same issue here.

Just received a yellow bar message and one of my addons auto disabled with no option to enable even though I have literally every single update option in "about:config" set to false. When trying to re-install i'm receiving a red error messaging stating the download failed and to check my connection...

This is absolutely ridiculous.

Same issue here. Just received a yellow bar message and one of my addons auto disabled with no option to enable even though I have literally every single update option in "about:config" set to false. When trying to re-install i'm receiving a red error messaging stating the download failed and to check my connection... This is absolutely ridiculous.

Modified by Avengement

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