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I've not been able to use that site for a long time on Firefox. There's something particular about Firefox. Chrome works fine. Reinstalled a few times, made sure no VPN is active in the browser (I dont use one). And posting results in "Posting from your IP range has been temporarily blocked due to abuse [More Info]. Please verify your e-mail address or try again later. ". Every single time. Rather than stop using Firefox I hoped someone here would know what's going on.

Hello,

For some inexplicable reason, when I visit any Wikipedia page (as of Thursday 8th October 2026), the pages display with a huge oversized font that also impacts the format and layout of the page in my browser. I have not made any adjustments on my PC to increase font display size. Wikipedia is the ONLY website that displays in this manner.

I am running Firefox 115.42.0esr (64-bit), which appears to indicate Firefox is up-to-date on my Windows 8.1 desktop PC. Please note that I am still running Windows 8.1 on this device out of choice.

I reported the fault initially to Wikipedia itself, and the response is that any fault is at my end. I have visited the same Wikipedia pages via Chrome Version 109.0.5414.168 (Official Build) (64-bit) and the pages display normally.

I have attached a sample screenshot to illustrate.

Any ideas how I can resolve this issue please?

Many thanks - Dean

Hi, On many financial sites I get comments like "We understand the importance of viewing your statements through online banking, we will be glad to assist. Upon reviewing your account, the reason why you are getting an error message is due to using Firefox web browser. Firefox is not compatible with our system, please use Google Chrome, Safari, or Microsoft edge. If you have any further questions please contact us."

We, you and I, know that Firefox is an excellent browser. We want to continue using it.

Who at Firefox has the authority to ask these sites, I could provide an example, how Firefox can rectify this so that we don't have to change browsers?

What has happened to Firefox over the past few days? Mine has become almost unusable!

Facebook fails to load (it's a pain having to constantly clear the cache in order to re-sign in). Websites that I use to make hotel bookings fail to proceed past the login stage, online forms fail to show the required information to complete transactions.

All works well on Chrome - but I like the Firefox interface and have been using for many years.

Help!

Lately, I cannot get to staples.com. I think it started after the last update, but I'm not sure. I never had a problem before, and Staples is a well-known national company for office products. I've restarted Firefox in troubleshoot mode, but the result is the same. Chrome and Edge have no problem accessing the site, so it's a puzzle why Firefox cannot. If anyone has any ideas about how to proceed, I'll appreciate it.

https://apollolaunchcontrol.com/v20test/http___www.apollolaunchcontrol.com_/Crawler_Transporter.html

There's three images on the page, in FF only the top one shows, but if I hit refresh, all three show, but only for half a second, then they wink out. All three show in Chromium just fine.

140.16esr under Debian 12.

This site: https://friendsmclibrary.square.site/. and other square sites connected to it are unable to load in FF since this am. I have uninstalled and reinstalled FF, loaded it in safe mode, and problem still persists. FF is my default browser and I need to use those square pages, so I could really use help getting this fixed. Safari and chrome work just fine. P.S.: after I reinstalled FF, the page loaded just fine until I logged in to my FF account, and then it would no longer load it.

I have no idea where to ask this question. It's a problem with Firefox on my desktop. I have no problem on mobile or with other browsers. If I'm in a private group that I am not a moderator in, the Create Post pop-up window doesn't fully load. I get the frame of the window and then it's just gray and kind of flashing like it's trying to load. I turned off all my extensions and that didn't do anything so that's not the problem. My FF is updated and everything else works fine. And it's not a FB issue as it works fine in Chrome. Anyone have any ideas?

I get "This browser version is no longer supported. Please upgrade to a supported browser." when I open Gmail in Firefox. I have version 156.01 on windows. Have been getting the message since Sept 1 or so. Otherwise, FireFox seems to work OK. But some websites do not work properly with it like Home Depot and the City Of Brockton website, I have to use chrome to access them.

I have a "Marvel Unlimited" account at marvel.com and generally use it daily in Firefox, in Windows 11.

Starting this afternoon, the site logs me out immediately--after the standard login procedure, the site shows my username for a moment, looking like I'm logged in normally--then it refreshes and goes back to showing the "LOG IN" button--and I'm logged out.

This problem isn't happening in the Chrome browser--I'm able to stay logged in there just fine.

For Firefox, I've tried clearing site history for marvel.com, restarting the browser, updating the browser (there was actually an update! : ), rebooting Windows 11, turning off all Firefox browser extensions, and turning off Firefox's advanced tracking protection--all to no avail: Firefox just won't stay logged in on marvel.com all of a sudden!

Not having trouble staying logged in to any of my other regular sites, just marvel.com.

I asked on the Marvel Unlimited Discord server if other Marvel Unlimited users were experiencing this problem in Firefox; two users checked and said their Firefox browsers have just started logging them out as well.

I play https://crazyshooters.com/ and https://crazyshooters2.com/ a lot! But the game became laggy since Firefox 148 and my ping spikes up. Other browsers play fine. I am on Linux Mint if that helps. (147 and below run fine)

Fonts in the digital issues of the LA Times are changed. They appear as serif initially, but quickly change to a sans serif which appears to big for the space. The headlines are squeezed together and touching. Body copy is affected also. How to keep the fonts as they first come in?

I'm very disappointed that DirecTV no longer allows me to login to my account from my Firefox browser. They now allow me to login only if I'm using either Chrome or Edge.

I am unable to sign in to the Amazon Allsec website using Firefox for Android. I enter my login credentials, but I cannot access my account. The sign-in is not working.

Please help me resolve this issue so that I can log in to Amazon Allsec successfully.

I have an account at watertown savings bank Watertown,Ma. In the past week I have not been able to sign in from my Macbook Pro running OS sequoia 15.8. I use Firefox as my browser. If I switch to Safari that comes on the macbook I can sign in. I was always able to sign in with Firefox. When I checked, firefox was updated on Sept 15th with version 140.16 oesr . The bank says its updates " sometimes conflict with Firefox".. but was unable to solve the problem.