Firefox Support Forum

Hi,

I'm experiencing a problem on Firefox 125 and 126 on Red Hat Linux 8 & 9 and also on Ubuntu 20 and 22 systems.

We have a proxy pac which we have tried loading from an http url, or a local file and both produce the same result.

• Launch Firefox, no access to Internet sites (i.e. no proxy)
• Enter settings and Reload proxy pac
• Proxy works perfectly

Is there any way to force the proxy pac to load on Launch? Why isn't this the default behaviour? or am I doing something wrong?

Thanks

After I boot my computer, I can access any of the sites I usually use, but only once. If I then close the site and attempt to open it again (or to open any of the other affected sites), I get the following message: " Secure Connection Failed

An error occurred during a connection to phoenixcommons.cohousing.site. 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."

The site shown in the error message above is the one I most ofen use, but other very common sites (e.g. Google.com) exhibit the same problem:

" Secure Connection Failed

An error occurred during a connection to www.google.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."

Yeah, right. I'm supposed to contact Alphabet and inform of the problem?

In contrast, some sites (e.g. The New York Times, The Washington Post) are not affected.

I can paste affected URLs into another browser (I used Brave) and access them with no problems.

hello team Firefox i am Aquib. i am very older user. my Firefox web browser in mac is very Awesome user experience. no lags no glitch no bugs. higher performance than other browsers. but after Firefox ver-120.0.1 Firefox getting lag and glitch in latest version Firefox please try to check in Youtube and switch mini screen to full screen getting lag please solve this problem. my problem is explain in given Screenshot. please fix it.

I have Firefox running on Screen #3. The website that I use with my radiology clients opens popups and I want these to open on Screen #3 as well. However, they are opening on Screening #1. How can I get them to open on Screen #3?

Thank you.

I have two monitors; I keep my taskbar on the right monitor and run Firefox on the left monitor. For some reason, whenever Firefox gets minimized, the window moves to whichever monitor the taskbar is on (I've done some testing to confirm it is specifically the monitor the task bar is on). Because I also run a program called max.to to separate my right monitor into different sections, this action of minimizing to, and restoring to, the wrong monitor is also resizing my Firefox window.

Is there any way, any option I've overlooked, that would get Firefox to minimize and restore to whichever monitor is is actually running on?

I've attached an image that shows, as best I can get it, the window moving over to the task bar monitor when minimizing.

So within the past couple of days my twitter/x display setting suddenly switched to "Lights out" from "Default". I can reset it in t/x settings but if I close my browser it resets back to "Lights out" on reopen.

However, this same change happened with other browsers chrome and brave, but if I reset it on t/x it remains changed for those browsers if I close them and reopen.

When I say close I do not mean just that window/tab. I mean close the browser completely and restart it.

What do I need to do to get FF to retain this t/x setting?

Using FF 126.0 64bit on Win11

Running under latest Windows 11 Firefox 126.0 will not start unless I click Run as Administrator. I changed permission for my User acct in Firefox to Full since I am the administrator but the problem persists

Within 24 hours this weekend I was notified by my anti virus application (Avast) that they are no longer supporting Firefox browser (to concentrate on Outlook and Chrome), and a political news website that I frequent (Meidas) blocked me with a "captcha" type puzzle. The website said my browser was mimicking robot or bot use. I was presented with a puzzle requiring me to slide a tab rightward. It repeatedly told me I had slid the tab incorrectly. I believe all of this happened after an update of Firefox about the middle of last week.

One annoying page at handelsbanken is missing scrollbars, and there is no way to navigate down

I have a memory of a "always show scrollbar" but it seems gone. firefox 115.11 on mac

peter h

I have to configure a lot of networking equipment! One day I might be working on a brand new piece of equipment and the next day trying to log into some ancient piece of equipment because I need to change something and I can't replace it yet. I'm having a major issue with the redirect even if I explicitly type HTTP it forces it to HTTPS ( and no I don't have HTTPS everywhere installed I've actually never used it ). I've noticed recently a few updates back now that if the connection cannot succeed it redirects to HTTP but it can hang up in a weird limbo where it thinks the site doesn't exist. There needs to be a toggle for local addresses explicitly typed "HTTP" to try that first. There also needs a toggle to ignore the security issues when accessing the device with a self assigned certificate as every single networking device has a self assigned a certificate and every time I need to change the setting on a router I have to agree even though I have a greed for the last 10 times when I've access the device or I just reset the device and the self signed certificate changed. And I don't know how you're gonna handle this on mobile but it almost makes using a mobile browser useless because I might as well just get the computer out even if all I have to do is change a password, SSID or just check a setting.

So local addresses need an option to lower the warning level for self signed certificates and to obey the typed protocol!

And there's some sort of bug with the Logic that detects a certificate or non-secure site that breaks when the connection drops. The only way I've been able to get around this is to go to the address bar and hit enter as a reload will not work and a reload skipping cash will not work to bring the site back up.

I've had devices that I thought weren't working only to find out they were working fine after 3 or 4 attempts and restarts only to find it's just that firefox thought the site didn't exist anymore.

And I don't have any other options because chrome is even worse with HTTPS once it gets it's vampire fangs in you're stuck it will not let you go back. And safari you might as will be undead.

Finally getting annoyed enough to write some thing as every time you go change your setting reboot device check setting log back in change saying restart log back in and you have to hit except certificate every single time.

And while I'm here Bring back the checkbox to save/ not save the certificate as I might not want to save the certificate when I know I'm going to reset the device and it's going to be totally different in the next 10 minutes. Or I might not want to save it at all like I go to a website that's misconfigured and the certificates not valid for the domain name that it's using.

Suddenly I can't sign-in to Sharepoint or Sharepoint admin console using my normal Firefox window. It works with the private window, but not the normal one. I've tested on another computer with the same firefox account sign-in and synced and it lets me sign-in there no problem. I've tried "Refreshing" Firefox, and that didn't work. I've tried uninstalling Firefox, deleting all the folders in appdata, then re-installing. Then I tried again before signing in to my Firefox account or syncing anything and it still didn't work. Any other suggestions? All the other O365 cloud login sites work, just not Sharepoint for some reason! It'll ask for my login credentials, then try and load, and then ask for my credentials again, over and over. Windows 10 Enterprise, Version 10.0.19043 Build 19043. Firefox 126.0 (x64).

I belong to almost a dozen regional 'yard sale' groups, and suddenly can no longer post 'for sale' in ANY of them including Marketplace. Yet in the same groups I can post and reply to messages

Today my PC has launched Firefox 3 times on 3 occasions before I could tell my PC to launch McAfee. I shut off Firefox as soon as it would let me and proceeded to McAfee alright. I never use my computer without the antivirus/firewall etc. running even if I am not on the web.

I checked Firefox settings but could find nothing specific to my issue. I have not made any changes to Firefox or any other software since the last Firefox upgrade. My PC runs Windows 10.

Is there a switch or toggle I can use to ensure my PC waits before loading Firefox? This phenomenon is new today. Thanks!

WP10 / Firefox / Thunderbird :

There are two different email accounts/names in Thunderbird. Only the original one shows in Firefox Settings Passwords.

How can I have Passwords also recognize and display information for the second account?

Appreciate your help.

Thank you.

The menu bar at the top of Firefox is extremely small. The size is about 1 mm. I have tried all the supposed fixes and none of them work. I have a new Macbook pro using Firefox.

For a couple of months now, my favorite browser, Firefox, has been locking up on me. It started this year right after an update. It suddenly locks up! Completely! Sometimes I cannot get it to close. I have had to shut down my pc to get rid of a locked up Firefox browser. These days I only need to right click the Firefox tab on the task bar and click "Close Window". That has been a big help.

So, I give up on Firefox and made Chrome the default browser. Then behind the scenes, someone installs a patch to the main server and fixes the problem.

I check it often and when I see that you fixed it, I set it back to default browser for about 2 or 3 weeks and then Firefox locks up again. I shut it down and switch to the Chrome browser again.

Back and forth I go. It locks up. I switch to Chrome. You finally fix it yet again. I try it after a few days and discover that you fixed it and make it default browser again.

And here I am again! I cleared the lock up by right clicking on the taskbar Firefox tab. Now I get a dialog box that has an option to shut down Firefox. Then I see a time bar move across the dialog box and close. Nice touch!

Now I switched to the Chrome Browser again and I am waiting for you to fix your Firefox browser for the 5th or 6th time this year.

Let me give you some advice. Burn it to the ground and start over. What you are doing does not help!