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Mozilla account in Firefox PC browser always asks to re-login every 1 day

Mozilla account in Firefox PC browser always asks to re-login every 1 day. This problem appeared after updating Firefox from version 119 to 120 and 121. As in the image … (read more)

Mozilla account in Firefox PC browser always asks to re-login every 1 day. This problem appeared after updating Firefox from version 119 to 120 and 121.

As in the image below, "Account Disconnected" and a triangular warning appears in the Firefox menu bar. I can't access any sync data like passwords, bookmarks, plugins if I don't re-login.

I only use this mozilla account on 1 PC.

Asked by [] 4 months ago

Last reply by cor-el 4 months ago

Stop tabs from automatically refreshing to top of page

Stop tabs from automatically refreshing to top of page. Many people have this problem and I don't find a fix. One article states to go to Options and "Warn me when websit… (read more)

Stop tabs from automatically refreshing to top of page. Many people have this problem and I don't find a fix. One article states to go to Options and "Warn me when websites try to redirect or reload the page," but I can't find options.

Asked by Dynamic 5 months ago

Last reply by zeroknight 5 months ago

Language in menu of FF 126.0 is mixed up

Hello, I have a problem: After an automatic update of the language packs, parts of the Firefox menu (version 126.0) are displayed in EN. Parts in DE. Seems to be related… (read more)

Hello, I have a problem: After an automatic update of the language packs, parts of the Firefox menu (version 126.0) are displayed in EN. Parts in DE. Seems to be related to the update... how can I change this again? I have already changed the language settings. Didn't help...it appeared after an automatic update on May 28. Thanks for an idea :)

Asked by fibroblast 18 hours ago

Last reply by Paul 4 hours ago

Facebook Messenger Video

Hi, I have a problem starting yesterday. When I video chat with anyone using Firefox on FB messenger they can see me but I cannot see them. Only a black screen where they… (read more)

Hi, I have a problem starting yesterday. When I video chat with anyone using Firefox on FB messenger they can see me but I cannot see them. Only a black screen where they should be showing. I have tried everything from uninstalling to different settings. I have made sure also that permissions were set correctly. Also it has been giving the error "slowing page down" or what says. Nothing helps. Now if I use Edge or phone it works just fine and we can see each other. This has never happened before. Also, the messenger games wont work on firefox either, but will on others. Please help if possible or tell me how.

Thank you

Asked by Paula Kay 4 months ago

Last reply by cor-el 3 months ago

Firefox is Very Slow to Start

Hello! I need some help. Every since 4-6 months ago, Firefox has been extremely slow when I boot it up at first, with some page load times taking more than 10 minutes. So… (read more)

Hello! I need some help. Every since 4-6 months ago, Firefox has been extremely slow when I boot it up at first, with some page load times taking more than 10 minutes. Some fixes have seemed to work, but they never work permanently. From my testing, it is not the result of any extension and the issue persists in troubleshoot mode. What has not helped my testing is that, after enough restarts of Firefox, the problem goes away and web pages load quickly, so this has caused some false positives. Has anyone else had a similar problem they were able to fix? Should I try uninstalling Firefox and reinstalling it?

Asked by theebonyduke 5 months ago

Last reply by zeroknight 5 months ago

Why can't Firefox copy text anymore?

Why can't Firefox copy text to the clipboard anymore? It won't copy text from a web page, from a URL, or even from about:support "Copy text to clipboard"!!! I'm using ver… (read more)

Why can't Firefox copy text to the clipboard anymore? It won't copy text from a web page, from a URL, or even from about:support "Copy text to clipboard"!!! I'm using version 1.22 64 bit on windows 11. I've reinstalled Firefox but it doesn't make a difference. I've tried "Troubleshoot Mode" and it's still broken!!!

I can paste into Firefox but something has broken copy!

Asked by FirefoxUser73 3 months ago

Last reply by zeroknight 1 month ago

Getting PR_END_OF_FILE_ERROR no matter what I do. Any suggestions?

Last night, when I got home from work, my Firefox browser wouldn't let me make any Google searches or log into my Google account. It just keeps coming up with the end of … (read more)

Last night, when I got home from work, my Firefox browser wouldn't let me make any Google searches or log into my Google account. It just keeps coming up with the end of file error. I've refreshed Firefox, created a new profile, turned off Proxy, uninstalled NordVPN, and even tried to uninstall/reinstall Firefox. After refreshing, I can sometimes search with Google for a little bit until I try to log into my Google account or navigate to Gmail while not logged in. It also won't let me access Yahoo.com, it seems. It will do random websites, though. For example, I entered the url for a video game forum I've browsed in the past and it loads that okay. Any suggestions? Do I have a virus or something? I honestly can't figure this out.

Asked by wj_pv 3 months ago

Last reply by cor-el 3 months ago

PDF viewer not displaying/displaying artifacts

When I open a locally downloaded pdf in firefox, the background is displayed as what was previously displayed on that portion of the screen, and scrolling simply overlays… (read more)

When I open a locally downloaded pdf in firefox, the background is displayed as what was previously displayed on that portion of the screen, and scrolling simply overlays moved text over what was previously displayed. Does not appear in screenshots. One of the images shows what the pdf looks like prior to scrolling, and one after.

Asked by alanyu08 3 days ago

Last reply by jonzn4SUSE 2 days ago

Multiple instances of "Isolated Web Co" when using Firefox on Ubuntu...

I'm having problems with Firefox using 75% of processor capacity. In "top" I see many instances of "Isolated Web Co". At the moment of this screen shot the processor is … (read more)

I'm having problems with Firefox using 75% of processor capacity. In "top" I see many instances of "Isolated Web Co".

At the moment of this screen shot the processor is not overwhelmed, however, it will sometime jump up to 75% and the system will seem to freeze.

What is the "Isolated Web Co"? I'm thinking a virus.

Thank you.

Asked by Paul606 3 months ago

Last reply by cor-el 3 months ago

Pages won't load after update

After the latest update to 125.0.2 (64-bit) the browser works fine for a few minutes and then pages won't load. It starts working again after a restart [ for a few min… (read more)

After the latest update to 125.0.2 (64-bit) the browser works fine for a few minutes and then pages won't load. It starts working again after a restart [ for a few minutes]. I have cleared the cache & data. Chrome works ok.

Asked by markp13a 1 month ago

Last reply by zeroknight 1 month ago

Firefox 120.0.1 Memory Leaks, Windows 11 & 10, not a new issue

Firefox uses too much memory, sometimes 20GB on a 32GB Windows machine. It's usually one or two threads which are hogging incredible amounts of memory. This time I had … (read more)

Firefox uses too much memory, sometimes 20GB on a 32GB Windows machine. It's usually one or two threads which are hogging incredible amounts of memory. This time I had about 30 tabs open.

Today I tried Firefox about:memory "Minimize Memory Usage" several times, and it was largely ineffective.

I did a "create memory dump file" of one 5+GB bloated thread using task manager, but can't find a way to upload the compressed archive with this report for analysis. Finding a way to report this issue was quite a challenge. It seems most help avenues are now missing/moved, and other reports of this type of issue are "Archived".

I tried killing the 2 bloated Firefox threads and checked for tabs which might be missing or malfunctioning. Everything continued to run normally while more than 10GB of memory was returned to system use. Leaving these bloated threads overnight doesn't improve anything, in fact I can often get up and find my machine is completely out of memory because Firefox consumed it all. My smallest machines have 16GB RAM.

These memory issues aren't new. I've been reporting them off and on for more than a decade. They get better for a few months after reporting, then they get bad again in a few more months. The battle to get memory leaks fixed is continuous while Firefox springs more leaks.

I'd like to give you the memory image I generated so you'll at least have some real data to look at and analyze for this report.

The attached task manager snapshot image is a very minor example of this issue. The numbers keep increasing like there are one or more large memory leaks.

Asked by Craiga 5 months ago

Last reply by cor-el 5 months ago

Video Content (Twitter/X, Youtube, Previews) Stop Working

So I just picked up a new laptop (ASUS Vivobook 16x), and everything is fresh on it. Additionally, this only affects some video content in Firefox, with Edge browser unaf… (read more)

So I just picked up a new laptop (ASUS Vivobook 16x), and everything is fresh on it. Additionally, this only affects some video content in Firefox, with Edge browser unaffected. In brief, what is happening is that within a couple hours of having the browser open, certain video content stops working, specifically Twitter/X videos just spin, YouTube previews stop working, and videos continually load. Netflix videos continue to work, but hover previews stop functioning. I even check the 'Stats for Nerds' on YT and it shows 0 KB network activity in Firefox.

I've tried every basic action I can think of:

  • Turning off extensions (only use Ublock and Bitwarden)
  • Browser Refresh (x3)
  • Reverting from 120.1 to 120.0, and now 199.0.1
  • Clearing the browser cache
  • Reinstalling NVidia and Intel Drivers
  • Running in Safe Mode

Only by doing a refresh or completely closing/opening the app gets videos to function again. This doesn't affect the old laptop or my desktop, which makes me think it's a rogue driver--but then why would Edge function without error over the same period of time?

Are there any settings to play with in the browser that can help diagnose?

Asked by madekatsu 5 months ago

Last reply by Alexander Thomas 4 months ago

Browsers keep crashing

So to cut it short, i have an issue with not just firefox but almost all other browsers too. I have tried Firefox, Chrome, Opera and Edge. Both Firefox and Chrome will in… (read more)

So to cut it short, i have an issue with not just firefox but almost all other browsers too. I have tried Firefox, Chrome, Opera and Edge. Both Firefox and Chrome will instantly close when i open them. As in, the window will open and immediately close after barely half a second. This has happened with Chrome and Firefox, yet Opera and Edge dont seem to have this issue. I am a Firefox user normally so this does make it a little annoying. Any ideas on why that is?

Asked by Lars De Wendt 5 months ago

Last reply by zeroknight 5 months ago

Firefox freezes after VPN status change

Whenever I change my VPN (not Mozilla VPN) status, Firefox will refuse to connect for something like 30 seconds then times out, leaving me with a blank screen. I have wai… (read more)

Whenever I change my VPN (not Mozilla VPN) status, Firefox will refuse to connect for something like 30 seconds then times out, leaving me with a blank screen. I have wait until that interval has passed before I can retry, otherwise it will repeat the freeze. This happens whenever I turn my VPN on/off or switch to a different VPN server. It happens only with Firefox. Chrome and my email client have no problems whatsoever. I think it's some kind of DNS caching problem within Firefox as the problem doesn't happen if I visit a site that I hadn't visited very recently. There's immediate response if I do that. I have DNS over HTTPS and secure DNS turned off in the settings, so it can't be those.

Anyone else have this problem? I wish there was some way to clear Firefox's DNS cache other than having to go into about:networking

Asked by Parallax 5 months ago

Last reply by zeroknight 1 month ago

Firefox won't open unless EXE is renamed

After my PC rebooted, firefox will not open unless I rename the EXE to something else. Steps already taken 1) Refresh firefox 2) reinstall firefox (including after wipin… (read more)

After my PC rebooted, firefox will not open unless I rename the EXE to something else.

Steps already taken 1) Refresh firefox 2) reinstall firefox (including after wiping all data from PC) 3) delete parent.lock 4) check Microsoft account - I am NOT content filtering. I am the sole user in my "family" and the app lists me as the organizer. I have zero way to even set UP content filtering.

I am at my wit's end. I can't set it as a default browser because the EXE doesn't match.

Device name LAPTOP-ONUJ626J Processor AMD Ryzen 5 3550H with Radeon Vega Mobile Gfx 2.10 GHz Installed RAM 8.00 GB (7.81 GB usable) Device ID A6F1AC94-C536-41A0-A460-2CFF0CDDC41C Product ID 00325-81531-34579-AAOEM System type 64-bit operating system, x64-based processor Pen and touch No pen or touch input is available for this display OS: Windows 10 Home Version 22H2 (OS Build 19045.3693)

Asked by Kurai Suzaku 5 months ago

Last reply by zeroknight 5 months ago

Profile lost all data (bookmarks, extensions, everything)

I use a MacBook Pro. I recently created a new profile for Firefox (for work purposes) and set it as the default profile, because I'm trying to get off Chrome entirely. Th… (read more)

I use a MacBook Pro. I recently created a new profile for Firefox (for work purposes) and set it as the default profile, because I'm trying to get off Chrome entirely. The preexisting no-longer-default profile contained all my "personal" data - bookmarks, extensions, etc. Continued using both profiles for about a week with no issues. Last night my MacBook updated and when I reopened Firefox, the new default profile was fine, but when I went into about:profiles and launched the secondary profile in a new browser, it was completely empty - no history, no bookmarks, no extensions, nothing. That's at least a year's worth of data completely gone. I've looked through support articles and past folks' questions and am just completely lost as to how to restore it or what went wrong. If it's not possible to restore that data, how can I at least prevent this from happening again? I've very much lost trust in Firefox profiles because of this. Help please?

Asked by kaydeefalls 5 months ago

Last reply by cor-el 5 months ago

'Too many requests to Kickstarter at this time.'

Firefox is my browser, and Outlook my email program. After years of troublefree access to Kickstarter, I now cannot link to the site, neither by Google search, nor by re… (read more)

Firefox is my browser, and Outlook my email program. After years of troublefree access to Kickstarter, I now cannot link to the site, neither by Google search, nor by responding to an email link sent to me by Kickstarter. Instead, I get a message which reads:

'You are sending too many requests to Kickstarter at this time. Please contact support@kickstarter.com if you continue to see this error.'

I have contacted Kickstarter, but their response is that the problem probably lies with my browser. Do you have any idea why this problem should suddenly have appeared?

Asked by Les Merrills 5 months ago

Last reply by jonzn4SUSE 5 months ago

Twitch on second monitor stops playing after 10 minutes

I have two monitors, and I usually keep a stream/youtube video open on the second monitor while I browse the internet/play games. I used to do this all the time in OperaG… (read more)

I have two monitors, and I usually keep a stream/youtube video open on the second monitor while I browse the internet/play games. I used to do this all the time in OperaGX, but I recently changed to Firefox, and I've noticed that after about 10 minutes, the video or stream stops playing, and I have to manually pause and unpause the stream to get it running again. I have checked online, and I found a fix related to the about:config setting "network.http.throttle.enable" as "false" and the "network.http.throttle.version" as "1", but my firefox already had these settings like this.

Asked by NebulaMysti 5 months ago

Last reply by cor-el 5 months ago