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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.

When I publish an extension on Chromium-based browsers, I can select the markets/regions in which I would like my extension to be available. I cannot find this option in Firefox add-ons. Am I missing something, or should I assume that the add-ons are available for every region in Firefox?

How can I stop advertisers from changing my 'Settings' fields 'Home page and new windows' to their URL which brings up their page before I can enter my password? I'm on Linux Desk Top.

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?

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 have just re-installed MW due to probs using the original one, but now I cannot enter my registration code,(life time) there is no where to do so it seems,have looked everywhere?

duplicate of /questions/1486143 thread

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 asap.

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?

anyone know why I am getting this message all of a sudden,Installation aborted because the add-on appears to be corrupt.FoxyProxy, Wappalyzer and cookie manager all were red flagged , just happened!Cant download anyone of these The OS is Kali linux

So I am running 31 add-ons. 30 of them ARE ACTIVE. (I've ALREADY ACTIVATED THEM.) Only 8 are showing up on the tool bar. I would like to select ONE that is not showing up for use. I have double, triple and quadruple checked, it is active...but it does not show up on that toolbar. I WOULD say that it is because there is not enough room, but there IS enough room for at least 3 others to be showing up. I can remember a day when there was 12 of them showing, and I had an arrow to select to see the "hidden" add-ons. That is not present. I cannot find a way to "show all"... unless it is just going to the install center to see that they are BOTH installed AND active. (Well, one is not active, but that is for a reason, and it's not the one that I want to use at this time.) While typing this, I tried something, I right clicked on the toolbar and selected customize, and I SEE the old familiar >> but it is grayed out. Once I click on "done" it disappears again. It is that ">>" that is missing. Yes, it's called "The overflow menu"... THAT is what is missing! How do I get that back?

Hi there, I'm trying to upload a new version of my browser extension (version 1.4.5), but the submission is being blocked due to a version number conflict. The issue is that I accidentally submitted a different extension under this listing with version 1.7.7. I reverted it immediately, but now I'm unable to upload the correct version (1.4.5) because it's considered a downgrade.

I really don't want to change my extension’s versioning just to get around this, since 1.4.5 is the actual next version in my release cycle. At the same time, I don’t want to stop updating the extension on the Mozilla Add-ons store. Is there a way to resolve this?

I just started getting an annoying ding/small pop-up window that appears to be a link to various ads . . . I would like to get rid of it.

I assume it is FIrefox, as it started happening after my most recent update. I also assume there is a setting I can use, but I don't see a settings icon in Firefox. <Sigh>

Possibly it only pops up when I'm using Duck Duck Go, but I'm not sure about that.

Sure need some help here . . . much appreciated.

currently using FF; I do NOT have any ad blocking software installed ( that I know of) I searched my computer for the word block, and it did not show it anywhere. I also have Mozilla Seamonkey installed, but not using it. Each time I visit a news website I get a popup that claims Im using an ad blocker. I have searched all those adbocker pgms on my computer and none exist. Why am I getting these pop ups. I think I also checked the AVG pgm, but didnt see an adblocker there. How do I fix this situation from continuing

Hi there, I'm experiencing an issue with the Microsoft Teams add-on in Thunderbird, specifically when using it with multiple Microsoft Exchange accounts.

Issue Description:

Previously, I was able to select between accounts using the Teams icon in the toolbar without any problems. However, after switching operating systems, the behavior has changed:

• When I hover over the Teams icon in the toolbar, the account selection menu appears as expected.
• As soon as I move the mouse to select an account from the menu, the menu disappears immediately before I can click anything.
• I've made sure that the mouse doesn't leave the icon or jump erratically, but the menu still vanishes every time.

This only started happening after I changed my OS. On my previous setup, the add-on worked fine.

Fixes Attempted:

• Removed and re-added the Exchange Accounts
• Reinstalled the Owl for Exchange add-on
• Fully uninstalled and reinstalled Thunderbird, including manually deleting the profile data folder
• Disabled hardware acceleration

So far, nothing has resolved the issue, and I haven’t found any other reports of this specific behavior online.

The attached image shows the account selection menu when hovering over the teams add-on, but as soon as the mouse moves over to the menu it disappears.

System and Application Details:

• Thunderbird Version: 139.0.1 (64-bit)
• Operating System: Kubuntu 25.04
• Desktop Environment: KDE Plasma 6.3.4
• Display Manager: X11
• Kernel Version: 6.14.0-15-generic (64-bit)

Any suggestions or workarounds would be greatly appreciated.

How do I move an addon from the TOOLBAR into the PUZZLE PIECE list? I can get them OUT onto the Toolbar.

Also, the Customize Toolbar / overflow menu won't accept anything, the addon just pops back out when dragged from the Toolbar.

I apparently installed something that opens The Free Dictionary by Farlex when I double-click on a word in a web page. It's really annoying, and I don't know how to turn it off. Any suggestions?