Firefox Community Forum

My bank recently upgraded their requirements for on-line banking to Firefox 128 and higher. I have WIN 7 with 115 on it. How do I upgrade from 115 to 128? Thanks for your help.

I want to know whether I can update my current Firefox version with my very old desktop setup. I am using the Firefox browser version 78.15.0esr (64-bit) on my iMac 2007 running OS X El Capitan. This notice came up when opening Firefox: " Your version of Firefox will start to have problems on January 14. A root certificate will expire, causing some preferences and other features to stop working. On March 14, 2025, add-ons and more features will also break." Following the instructions to update, in About Firefox window, it checks for updates and then shows Firefox is up to date. I've interpreted this as there's no version available that I can update to. Is that correct?

Firefox kicks me out! My Mac works like a charme without any hardware problems. But now my favorite browser (FF) quits support. I'm amazed that a project like Mozilla does not care about sustainability. Any update in the software world must take care concerning downward compatibility - otherwise you exclude former users/customers. So why is ESR for Macos 10.9 to 10.11 not supported anymore? There are millions of Core2Duo-machines, that Mozilla sends to the trash. I'm extremely disappointed!

I have an Intel I5 PC that runs MS Win XP. The reason that I'm still running that ancient OS is because of whats inside it. I have two old boards in it that I still use and quit honestly can't afford several thousand dollars to replace them. And the new machine to go with them.

I need to get online to download the few pieces of software I need That are still out there. But like most sites they examine your machine to see what versions you need and it's a download and install package. So I can't use a different PC.

My question is: Is there a version of Firefox I can download that will work on XP, and not be ignored like is done to IE 8. And that I can then transfer to the XP (service pack 3) box for installation?

So today I allowed an upgrade of FireFox to version 115.24.0.esr (64bit).

Now both extensions fail... uBlock Origin AND Proton Pass These were last updated May 27th and May 19th.

uBlock Origin manages to "pop up" a blank sub window.

Proton Pass starts an infinite loop displaying, then erasing itself and re-displaying:

Welcome to Proton Pass An error occurred while resuming your session Retry (button) Sign Out

Is there a way to go back to a previous version of FireFox?

Hi, During some tests I found that FF 115.19.0esr can still execute arbitrary JS similarly to CVE-2024-4367. I’ve checked the versions and > 115.11esr should be patched. Any payload with ‘/JS’ taken from https://github.com/luigigubello/PayloadsAllThePDFs/tree/main will do. Since this is probably important – FontMatrix is *not* working (no JS), original PoC (https://codeanlabs.com/wp-content/uploads/2024/05/poc_generalized_CVE-2024-4367.pdf) is also *not* working. I also wasn’t able to call an external script and so far haven’t found any path to exploit it beyond an alertbox. However, it still bothers me a lot and I’d like to know whether it’s the correct, expected behavior with FF+pdf.js, is it a vulnerability, or maybe my browser was somehow corrupted or is using some other mechanism that’s not within your control (my settings? about:config?).

Steps to re-create: 1. Open file in notepad 2. Add ‘/OpenAction 99 0 R’ after ‘lang’ in ‘1 0 obj section’ 3. After ‘endobj’ add ‘99 0 obj <</Type /Action /S /JavaScript /JS (app.alert\(1\);)>>’ 4. Result – alertbox popping twice

Hi! I need a biiig help here. I have a mac OS X Yosemite version 10.10.5 and I would like to keep using this computer. I installed the FireFox 128.5.2esr.dmg. I saved it to my applications but I click on the icon and nothing happens... My FireFox is not ok now... I open it, but doesn't appear the icons or so (top sites or highlights). Thank you!

I am running Windows 7 Professional. I can not justify the cost of updating Installed versions of Applications at my age (86) if I were to update from Windows 7. Could you please advise a work-around to allow me to continue to use Firefox V 94.0.1 reliably after 25 March 2025. Thank you Graham Garden

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 am running Windows 11, with Firefox 97.0 ("Up To Date"), but the installer for the new 115 ESR does not work.

The installer (Firefox Setup 115.18.0.esr.exe) seems to think that my system is running Windows 7 and does not proceed.

I have a Windows 7 machine and I am unable to download firefox to it but I've read that there's a Firefox ESR for Windows 7 and 8 can anyone help me by sending me a link to the exact spot where I need to get that to download it?

Russ

The other day, several of my extensions were automatically uninstalled from a bunch of my devices. After going through and reinstalling most of them, the reinstalled extensions don't seem to be propagating to other devices via sync. Newly installed extensions that I didn't have installed before seem to propagate fine. Is there some way I can fix the extension data on my account so that they start syncing properly again?

Firefox is default browser. Have used McAfee Truekey for years with no issues. It has now disappeared from browser. Reloaded the app, and McAfee website tells me to activate it. How do I do this/ should I do this?