Firefox Community Forum

All of my addons are disabled and won't re-enable!

They all say "addon name" could not be verified for use in Nightly and has been disabled. See attachment clipboard00.jpg

If I try to install an addon from the recommended extensions settings (for example "return youtube dislike ") I get a message bubble stating "The Addon downloaded from this site could not be installed because it appears to be corrupt. {OK!}" See attachment clipboard01.jpg

The message above about addons appearing to be corrupt happens if I go to any of my current addon pages and try to redownload them.

Well, it's happened. I am using the unbranded build specifically so that I do not have to have signed or verified extensions. But tonight my browser broke anyway because of the expiring CA TLS certs for the add-ons repository.

"One or more installed add-ons cannot be verified and have been disabled [Learn More]". If I click the [Learn More] button nothing happens. It just disappears.

And when I check: "uBlock Origin could not be verified for use in Nightly and has been disabled."

This should not be happening in the unbranded builds. I imagine it is happening in the custom Debian esr too. They're supposed to allow unsigned/unverified extensions/add-ons but now this apparently bug is happening.

To be clear, this was expected for normal Firefox releases with all normal extension signing stuff. But that was explicitly not supposed to be required for the unbranded builds. And so this is a bug.

Dear Sir,

Firefox is not working with Rabby Wallet and Metamask extensions.

It does no pop-up the window to see the transaction and sign it. Firefox 134.0.1 (64-bit). Windows 10 Home.

On Metamask at least I can click on the pinned extension and see the window. However it´s not the expected behavior, because it should open the pop-up automatically. With Rabby wallet it is impossible to proceed, even clicking on the extension icon.

Please fix it.

I have just got a new laptop and installed everything in relation to Firefox onto it. I have used the Nordpass extension for a couple of years and on the old laptop this is version 5.23.13 updated 16/10/24. On visiting the add-on and extension site today there is only a legacy version 4.33 updated 2y ago which clearly no longer works. Where has it gone. Clearly I am going to ask the same question of Nord, but I hope you can help.

hi I would like ask if is any way manually to update Root Certificate for my old firefox 88 .My extension ublock stop working today .I try to this but not works in my firefox .

about:config xpinstall.signatures.required to false extensions.langpacks.signatures.required to false

I do not want to update my firefox .There is any way to do somthing to works Add-Ons.

Good day, The issues that I am encountering are explained below. The solution found after hours of research is uBlock Origin : https://ublockorigin.com/. Do you know which filters and rules should be applied to exclude the Wikimedia Foundation and all of its derivatives from the results provided by my search engine? Please share your knowledge. Sincerely. ________________________________________________________________________________________________________________________ I am utilizing Firefox ESR 128.10 desktop version on the Linux operating system. I wish to conduct research on the internet, utilizing the Startpage search engine. I would like to exclude the following sites from my search results: wikipedia.org, the Wikimedia Foundation, and any affiliated websites, regardless of the language or location settings configured.

What is the correct approach to establish a customized Startpage search profile excluding all Wikimedia Foundation sites? What is the proper setting to create a persistent and customized search engine configuration that excludes all Wikimedia Foundation domains even after an operating system update or reinstallation? Is it permitted to manually manage a customized search engine?

I have been advised to utilize an add-on or create a dedicated profile.

What would be the most suitable solution in my case, and the one that will be the most effective and stable ?

It is unfortunate that mozilla-firefox does not appear to offer a 'blacklist' or exclusion list feature, as that would be the most direct approach to excluding the Wikimedia Foundation websites from the search results.

I thank you kindly for all of your suggestions and responses to come. ______________________________________________________________________________________________________________________

Some quite strange questions, which I'm not sure to which category it belongs to, While I use last FF on my main machine, I have another machine that still use firefox 56.0.2 since I like some of the addons there that never been remade/updated to newer FF versions,

It worked fine for years but suddenly all of the addons are disabled no matter what I've tried to do, Using backup, reinstall, about:config and setting xpinstall.signatures.required to false, you name it,

I was wondering if Mozilla pulled the plug on something or if some fixed date for things to expired has arrvied, As well as if there's a way to fix it in the settings/other means?

Some people said that Dev or Nighty edition can actually turn the xpinstall signatures to false while normal FF might have the option but won't actually do it, The problem is that I have no cluse which of their versions is equal to good old 56.0.2, Can anyone tell me?

Thx

I checked my add-ons in settings to see what was wrong as I noticed the icons were missing. Upon looking at the proper tab, everything "could not be verified" (including themes) even though everything was working perfectly within 24 hours prior to the issue arising. When trying to reinstall anything from the extension store, all I receive is a "this appears to be corrupt and thus will not install." Clicking the "more information" button on any/all affected add-ons reveals that everything is unsigned. How do I alleviate this?

Firefox says versions earlier than 115.13 will be impacted by the certificate expiration. I've updated to 115.21 My add-ons are still disabled. https://support.mozilla.org/en-US/kb/root-certificate-expiration

It seems many don't know or haven't noticed but merely running an esr branch (rather than a developer edition) will also give you the option to enable add-ons with expired certifications via about:config.

Anyway, the "legit" way isn't working.

locking as duplicate of /questions/148784 thread

I was using Video Download Helper to download some YouTube videos. Suddenly, it stopped this evening. The button would remain grey. I tried using another LinkedIn video, and it worked, but it did not work with any YouTube video links. I gained access after I got a license 2-3 weeks ago Any suggestion on what is happening with YouTube links

Hi,

suddenly, all of add-ons have been disabled.

It is say that is an security problems,..., but all of them?? suddenly??

can you please provide some support/help?

I attach screenshoot with release and evidences disabled.

Tks

The built-in translation feature in the browser is a great feature. In the settings I have loaded Ukrainian language but when I click on the translation button at the end of the address bar it is not displayed in the list. Can you please tell me what I need to do to display the language I need?

A non-profit I support suggested the "Give Freely" app. The extensions search in Firefox did not find the app. Is it known and trusted by Mozilla? It's privacy policy suggests it functions like most other apps: it collects all the data it can, and allows the third parties that support their functions to collect all the data they can. The third parties can do whatever they like with my data.

Thank you,

David Guth

I recently discovered a problem with an addon I wanted to report. The product page only has an email support link, which opens up MIcrosoft Mail. I prefer not to use it.

Is there any other way to get the developers email address?

Also, this link does not work

With Firefox's latest update...

1. Javascript no longer works on pages it absolutely must work. The webpage for my security cameras not longer allow me to operate the cameras. When I click pan/tilt/zoom button all I get is a little message that says "Jacascript" at the bottom right corner where there should be a url. I've never actually paid attention on the security cams page but the url is there on other websites. I have to have this functionality. How do I re-enable Javascript for at least this page?

2. Deactivated extensions are not actually deactivated. To trouble shoot the first problem I disabled NoScript and ADblock Plus to see if they were interfering. I closed and reopened Firefox, and even restarted my PC. Firefox shows the extension to be disabled but they are in fact still active and working. Something is extremely broken in Firefox's extension manager. Is there anyway to actually disable these extensions without removing them?

Thanks

I'm on WinXP and Win7; FF is there respectively on ESR 52.6.0, and 56.0.2.

• • Pls refrain from lecturing me on updating etc. I need it to be this way for umpteen reasons. Thanks for understanding.**

First, all of a sudden all my legacy add-ons were disabled. Most of them ensure FF looks like it did ages ago, which is what I'm used to, and need, to function properly myself. They overall are no longer maintained or downloadable, hence the need to stay on lower browser versions as well.

Managed to fix that.

Then, last Fri, my webmail provider missed updating their security certificate. They seemingly later do, but I am left unable to access their website from FF on both machines, and Chrome on the XP. Disaster.

The error messages I get are, in FF:

[www.netaddress.com] uses an invalid security certificate.

The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported.

Error code: <a id="errorCode" title="SEC\\\\\\\\\\\\\\\_ERROR\\\\\\\\\\\\\\\_UNKNOWN\\\\\\\\\\\\\\\_ISSUER">SEC\_ERROR\_UNKNOWN\_ISSUER</a>

and in Chrome:

classic.netaddress.com normally uses encryption to protect your information. When Google Chrome tried to connect to classic.netaddress.com this time, the website sent back unusual and incorrect credentials. This may happen when an attacker is trying to pretend to be classic.netaddress.com, or a Wi-Fi sign-in screen has interrupted the connection. Your information is still secure because Google Chrome stopped the connection before any data was exchanged.

You cannot visit [classic.netaddress.com] right now because the website uses HSTS. Network errors and attacks are usually temporary, so this page will probably work later.

When running a SSL server test on their certificate it turned back: Chain issues Incorrect order, Contains anchor

No idea if that's relevant.

I tried just abt everything I was handed, could think of, or googled. Adding an exception included. Nothing works. Logically, the error should be on their end (w/ their old certificate, it all worked fine, now it doesn't), but somehow I keep being directed to that your root certificate having expired is the culprit.

Earlier today, I took the plunge and updated FF to 72.0.2 on the Win7 machine. (My webmail doesn't have full functionality on Chrome, so I was still very hampered in that regard there.) Now I can access the webmail -- but all my add-ons AGAIN are disabled. And what I did before to make the work does now NOT work anymore.

Can someone pls take me out of my misery? My whole existence is falling apart. I am already on 75 % (invisible) disability. Nothing works, least of all I. I am days behind on an already massively overburdened schedule. Not everyone can handle constant updates and their user interface being changed all the time. Some ppl are dependent on things looking and acting the exact same.

I'd like my add-ons back functional on the Win7 machine, and my webmail back -- INCLUDING the add-ons remaining functional, on the WinXP. Thank you.

Recently I've had the Un-welcome experience of Scripts triggered on YouTube, which Over-ride my Installed extensions to Firefox.

I've had YouTube, somehow Disable extensions and refresh the webpage... Without my concent or even an option for concent!

I've even blocked the popup window, which triggers the script which performs this action within another extension... and within 7-10 days Youtube has by passed the bypass that i've employed...

In my opinion a web-browser which allowes for extensions to be installed and run... should Block any and All scripts which try to disable extensions!

I seriously hope this can be looked into asap... or someone in the community has a work around, as my work around (blocking hte window which triggres the script, which disables the extension....) was by-passed within 7-10 days...

I used to think myself a compettent net user, but i'm aged out atm... still if i'm unable to prevent this sh*t and manipulation within FireFox, I doubt the average user or the layman will have a chance in hell of being secure and keeping their chosen extensions running...

This needs looking into ASAP!

I did reach out to GitHub. They referred me to contact the Video downloader support team, which is not part of their development.

Your response Number 2 If you are referring to this Extension https://addons.mozilla.org/firefox/addon/video-downloadhelper/ Look on the left side for the Support site link in the more information panel. It leads to https://github.com/aclap-dev/video-downloadhelper/discussions

My question is addressed once again, "Third attempt?" Please give a direct reply. Firefox should have the contact information since you permitted it to be part of your browser extension.

Back to my original question posted here once again Recently, the video downloader helper stopped working with videos of YouTube links. The video downloader helper on the Firefox window is grey, meaning inactive. I tried using a video from a LinkedIn web page and was able to download it. Any suggestion? I recently purchased the license for a video downloader helper. Thanks Arvind [edited email from community support forum]