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I've used Firefox for 10-15 years but recently it started not opening some web pages on corporate websites, which I assumed was a problem with the site. When I told my techs, they tried the sites from other browsers they use and it was working fine. So I tried from my laptop (it's 4 months old, Windows 11) using MS Edge and no problem, previously blocked sites now working. I've scanned Firefox settings but can't resolve. Any suggestions?

Takes up to 30 minutes to sign in to my online banking account. Sign in with user id and password, get a "swirlly" for a long time, little messages at the left bottom of screen, when the screen finally appears, the graphics display as place hold words which make no sense. Contacted AllegacyFCU and they say it's on your side . . . recommend Chrome? I'm running Win 11Pro. Edge goes right in.

I am on arch linux, Wayland KDE Plasma. KDE Plasma Version: 6.6.3 KDE Frameworks Version: 6.24.0 Qt Version: 6.10.2 Kernel Version: 6.19.9-arch1-1 (64-bit) I then ran firefox (Both Flatpak and Pacman fail ), and no matter what (MOZ_ENABLE_WAYLAND on or off) when in pointer lock, the high polling rate mouse was significantly slower than the lower polling rate touchpad. I have tried different mice with high polling rate, the result is the same. https://mdn.github.io/dom-examples/pointer-lock/

Secure Connection Failed

The connection to the server was reset while the page was loading.

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

Learn more… What is the reason?

After an update minutes ago, Firefox immediately crashes on startup and crash reporter launches Rebooted computer. Launched firefox from command line with -safe-mode and -purgecaches

This is when the online help says to submit a report with the most recent bp-numbers. Thanks in advance for your assistance.

bp-2bd5243a-ff3d-4ea2-b0a2-ffb3d0260425 bp-28b30366-d7c1-46be-bc6b-1795a0260425 bp-e2aaa702-1190-4237-8ab3-7e5590260425 bp-93e9888c-569d-4148-b549-d97530260425 bp-d598e83a-3a9b-4874-b65a-ec7980260425

I thought that firefox would be more reliable than google chrome. For some reason, I am having now problems like accessing my youtube account and other things that worked fine before. There are other sites I can no longer access and I am wondering whether that has something to do with your service.

Hi, I notice today that Firefox takes a really long time (~30s) to start. The main Firefox frame opens, totally empty, no tabs, nothing... and ~30s after, it starts.

I also notice that it is linked whith the VPN. When the VPN is active : long time, when the VPN is paused, normal start.

I have two computers, same reaction ! The first computer is used every day, so I have the problem on this one since the last update (I suppose).

The second computer has not been used for a week. I started the second computer today , I checked the VPN is active, I notice the first use of Firefox (which was still v148...) was as fast as usual, then Firefox automatically updets to 149.. and restart, and then, same behavior : long time as start.

I tried to go back to version 148, without any better results.

Can you help me please?

Two computer are in W11 up to date, and the VPN is NorthVPN up to date

Regards Alain

Lately I can not click all of my browser tabs, only some of them unless I do not have the browser maximized on the screen. If I make is smaller then I can click all of the tabs. Since the recent Firefox update I can't find a hardware acceleration setting to toggle off to see if it helps.

Ok, so I dont use my computer that much, but anyway. I get on it today and this "create a profile" pops up. once I get in to firefox Everything is gone, my history, passwords, bookmarks, addons.

WTF happened???????

I hard shut down my laptop and when I re-opened it, Firefox seemed to have reset itself completely. My profiles were gone, my bookmarks are still present but their icons are missing, my background is missing, my extensions un-pinned, and -- naturally -- all of my tabs were closed. My original profile is completely gone, which kind of sucks, because it was pretty personalized. I think even my preference settings reversed themselves, because it tried to show me the AI chatbot on the sidebar, which I had turned off. I figured at first that it was a matter of spotty connection, because I was using my phone's hotspot at the time, but I'm now back with a solid wi-fi connection, and everything is still acting strangely. Help? How do I get my original profile back in its proper form, if possible? Or, at least, the icons to show back up on my bookmarks? I have turned everything off and back on again, as it were.

This is the message I receive. There is no way a novice could follow these - that's why I am writing.

Secure Connection Failed

An error occurred during a connection to playeuchre-online.com. PR_END_OF_FILE_ERROR

Error code: PR_END_OF_FILE_ERROR

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

It happens on all my sights, ie: Facebook, etc.

I cannot change to another (new) email address, because the old mail address is not accessible anymore, but the new one collides with some other ... What can I do?

Hello, i let called it very long terms Firefox user i've been using Firefox to livestream especially on this website : www.showroom-live.com

somehow about since 3 months ago i believe (or start at 2026) suddenly i can't stream on firefox again but all other browser that i tested are worked just fine

it gave blackscreen like ss that i attached. even tried on fresh installed Firefox for android too

to be honest i love feature of firefox that i can pop-out PIP windows all more than 1 and even gave full screen of that PIP

i tried every suggest that appeared on website like Disable Enhanced Tracking Protection, turning off hardware acceleration, clear cookies, autoplay are on ALLOW, doing safemode check also make that black screen, even check about:config media.mediasource.enabled (set to true),DRM ON

my system : AMD 7600x, memory 16GB,GPU : RTX3060, Windows 11

thanks before i hope i got solution

When I play a video in fullscreen and type something, when I typed something in the IME and will press Esc to quit the IME, the whole fullscreen will be quitted. The expected behavior is to quit the IME only, and the fullscreen should be quitted only when there is no IMEs.

The issue has been existing for years.