Firefox Support Forum

When I go to certain web sites, (Xfinity, Blue Cross Blue Shield), a message pops up saying, "This page is slowing down Fire Fox. To speed up your browser, stop this page". When I go into Safe Mode, I can get to those sites. How can I get rid of this message/problem? Fire Fox has current update as does my Mac.

Hi,

I am using Firefox for Linux, and whenever my yubikey is plugged in, firefox will start bothering me for a pkcs#11 password. It always happens on start-up but it gets relentlessly annoying if I happen to be on a site which potentially utilizes certificate auth, which I do not use this yubikey for.

I do however use it for 2fa, which does work perfectly fine.

How do I permanently stop whatever Firefox process keeps bothering me about this PKCS#11 password for functionality that I never use?

After updating firefox to 112 it now starts with ugly white ui dummy before actually loading proper UI. Screenshot attached. It was not happening on firefox 111.0.1. It happens every time I launch firefox 112. Of course nothing in changelog is said about changing performance or UI so I have no idea what is causing this.

For the past three days I have been disappointed to find the error message, illustrated in the screenshot, when I open Hotmail/Outlook/Login live. It says:

Something went wrong. Please try the recommended actions below. Refresh the application. (in a button)

I've followed its advice, to no effect. I've re-booted and turned everything off overnight (twice) but it's still not working. This only happens on Mozilla Firefox, my preferred browser. I have done nothing to alter any settings or opened, or even received, any dubious emails. All the other saved sites and randomly visited ones are functioning as normal.

Any idea why this suddenly started happening? is it a Firefox issue or a Hotmail problem?

Mark (Scotland, G.B.)

Today I've had various problems on my Windows 10 PC such as Firefox running slowly and various buttons not working. However most of these issues seemed to sort themselves out after restarting Firefox.

However, I cannot get my projects to load in LaTeX editor, overleaf.com. Initially, the editor would load but not the PDFs. But after deleting cookies and site data the editor won't load either and I get "Could not connect to websocket server :(". I can reach other parts of overleaf.com such as their help files, but not my actual work. The problem is not with overleaf as it works fine on Firefox mobile (obviously impractical for LateX editing) and in Chrome on the same Windows machine.

I've tried everything I can think of: deleting cookies, site data, and cache; deleting History, tho I backed it up and restored it when it didn't work; going into troubleshooting mode; restarting Firefox.

Please don't force me to use Chrome.

I have Arlo security cameras installed at my house. I have tried numerous "fixes" from the web but no one seems to know why Firefox and google chrome cannot play feeds from the Arlo pro 3 and 4. Arlo pro does show the feed but not the others. I refuse to install Microsoft edge but supposedly there is an app you can download to fix this issue. I need to see my camera feeds in my preferred browser Firefox.

Firefox is always using HUGE amount of my RAM with several window opened far more than my tabs.

But since the last update this has really got out of hand, crashing my apps. (Windows 10, 64 bit Desktop PC)

I work with media apps which DO require a lot of memory, such as Adobe Audition, and last night Audition first slowed down and then crashed while I was rushing to finish an urgent project.

I thought what the heck is going on - opened Task Manager - and lo and behold Firefox had several windows running taking up 85% of memory which I needed for my app!! I had only 5 -6 tabs opened in the browser - this is insane! every new update you release is more memory hungry - and I do NOT have ANY extensions and my computer is quite powerful designed for media work.

I found online advice to click on Minimise Memory button in about:memory - which I did.

But this should not be an OPTION which you have to guess how to disable! This has to be included in the Firefox SETTINGS!

So now, until you REDUCE this memory hunger I have to close the browser while working on my apps, or use another browser altogether.

Are there Firefox developers on this forum to reply?

As with above title, whenever a video is next in queue and starts, the tab crashes. Also, randomly, if a website has an embedded video player, it will crash usually.

This seems to have happened over several updates, so I can't pin point a particular update, and the problem has gotten worse (or at least affected more things) as time has gone on. I thought it might be related to uploading tabs when memory utilization has gotten high, but I have this problem on my system with 96GB of RAM, and I've happens even when I'm using under 48GB of memory and I've tried disabling tab unloading with no change.

The problem I've been seeing first started with Skype web. I'd walk away from my PC, and when I get back to it (monitor is asleep, but PC still running) after I wake up the monitor Skype would start playing messages it appeared to have cached while I was away. It would load up this messages one at a time, complete with notifications, one every couple of seconds. If I'd been away for a while and had gotten several messages it could take several minutes to catch up with where Skype is "current" and usually take so long I end up just reloading the page and so I get the current state without waiting for FF to play through all the messages.

I then started noticing the problem with OctoPrint, similar thing I'll have it up monitoring a print and I'll walk away from the PC and then come back, and same thing, it has to "play" through all the updates that happened while I was way from the PC, again sometimes taking several minutes for it to catch up with the current state for OctoPrint (this is usually visible by watching the temperature graph try and draw updates to catch up with where the printer actually is. During this time OctoPrint is completely unresponsive, so I'm unable to do things like cancel and print or change tabs to look at say the web cam. Again I'm usually forced to just reload the page to get the current state of OctoPrint instead of waiting minutes for it to catch up.

Then recently it's started doing the same thing with Pushbullet, instead of sending notifications as they come if I'm away from the PC, it just caches them when I wake the screen back up. And again, it sits there and plays them, one at a time, every couple seconds, every, last, message, that, came, while, I, was, away, ding, ding, ding, ding, ding. I'm no longer getting multiple notifications at a time, they come through individually and it drives me insane (at sometimes delays notifications as even when I'm using the PC it no longer delivers notifications if I'm not actively using FF).

I assume it's some change to help make FF less memory intensive (which is why I first started looking at Tab Unloading) but I haven't had any luck finding out what's causing the issue, so trying to Google for a solution hasn't yielded any results (cause I'm not really sure what I'm looking for).

It's making using FireFox for "live" pages like message apps and OctoPrint, and notification syncing via Pushbullet unsustainable.

Thanks.

Hi all, I'm having an issue that I've seen mentioned over several years and without a workable solution - I'm at the point of having to transfer all my browser usage to chrome and abandon my beloved firefox. The issue has been 'answered' by advanced users to tell people to 'inspect' which font is the issue then check local systems font book for corrupted/duplicate fonts: however this is not a satisfactory response. Context: see screen shot attached for what the jibberish looks like, and a point in the 'inspect' view that I believe (guessing) is involved. System: Firefox 112.0.2 (64-bit), MacOS 13.3.1 (a) (22E772610a) on Macbook Pro (13-inch, 2020, 2 GHz Quad-Core Intel Core i5). This same websites do not have any issue on the same computer viewed on Chrome or Safari. Nor is there any problem on my iPhone on the iOS firefox browser.

Firstly this is not a user-friendly solution for most people, I'm afraid. Opening the inspect viewer is mindboggling for anyone who doesn't code and even for people who do some programming but not for websites (like me), it isn't exactly self-explanatory. I think I've managing to find examples that indicate 'Roboto' seems to be consistently involved in the display issue. Secondly, the step for 'fixing' the font that is the culprit - my local system indicates that all fonts are valid and there are no duplicates. I haven't installed manually Roboto as I'm uncertain where to 'safely' get the font from and my computer is owned and managed by my workplace - with overly strict administration/security rules so if I f-up a download of something dodgy my IT service will blacklist me and revoke my admin access... ** which would mean I'd be unable to do my job!**. I wondered if perhaps there is some security setting due to that, which stops website from loading the fonts they choose? From previous 'solutions' it said that having Firefox preference set to "allow websites to choose their own fonts..." should mean the websites can load as needed. If indeed I must manually download fonts for each and every instance that Firefox fails to display text legibly that is equivalent to Firefox being unusable. I'm clearly frustrated and it's because I love FIrefox and the ethos behind it all so leaving for Chrome would be very sad indeed! Help and a solution for normal users would be so very much appreciated. Also where can I properly lodge this issue with peeps who fix things? There are issues of this kind going back years and for both Windows and Mac Systems so it's not a one-off problem but a recurring one! Please pretty please, people who do the magic that makes Firefox - fix this issue... Thanks for reading my rant and for any helpful responses. Cheers, Megan

Due to some unknown reason from today morning whenever I use paste function, my Firefox crashes and quits. It includes pressing ctrl+v, right click and paste, and edit>paste. It occurs in all webpages and not only with texts, but also when I try to copy/paste for example a bookmark.

My browser is up to date, I rebooted several times, and also opened Firefox in Troubleshoot mode. But the crash still happens.

Does anyone have any idea what the reason of this problem is and how I can fix it?

I believe this happened after some Windows update.

Neither in Firefox, nor in Chrome can I get my microphone to work. The browsers are correctly asking for permission to access the microphone, apparently the website gets a positive feedback, but no audio stream.

For example, if I use the online microphone test, the test widget displays a line, but no visualisation of my speaking. https://www.onlinemictest.com/

The webcam works fine, and the microphone does work in other applications.

Teams Web even allows me to switch Microphone from my headset to the internal mic, but it doesn’t change anything.

Might there be some Windows Policies in play that forbid browsers in general to access the microphone?

How can I further analyse this issue?

Thanks a bunch already!

Hello, in version 112.0 editor.use_div_for_default_newlines in FALSE it does not work. When I write in certain forums, it creates a double space between lines, any help?

It worked until today when i update it.

Thx.

Hello, I hope someone can help me.

Ever since I updated firefox, my cpu is almost at 100%. With only 2 or 3 tabs open. I updated from version 106.0.2 to 112.0.2. Before this update, I could have several tabs open, up to 10 and the computer would run fine. Now with 3 tabs open, it gets really slow. And I can hear my desktop suffering (the fans go to full speed). When checking the task manager, firefox is taking all the memory and the cpu usage is almost at 100%. I have to keep restarting firefox.

The conditions are the same. The only thing that changes was updating firefox. I already searched for ways to reduce the firefox cpu usage, but nothing changed.

Is there a way to fix this? Or how can I go back to an older version of firefox? Because I'm afraid my computer will die from simply opening 3 tabs.

Thank you in advance.

Hello, I am unable, for the past 2 days, to load my webmail from Outlook.com (outlook.live.com/mail) and my outlook calendar online (outlook.live.com/calendar), but have no problem to access OneDrive and my other MS apps. I get in both cases a "failed to load Javascript" error messages, failing to load the "chunk 5016797" in mail, and the "chunk 917352" in calendar. Refreshing the tabs, restarting FF, restarting the computer, restarting FF in troubleshooting mode (no extensions) as suggested in an existing thread on this topic, updating FF and updating Windows (still Win8.1, though), didn't help. I access normally both mail and calendar in Chrome, but want to keep and use FF as my main browser. Can you help fixing this JS issue ? Many thanks

After upgrading one machine from Fx 110.0.1 to Fx 112.0.1 (as per usual with "major" upgrades with the full install file) I noticed very high CPU usage when closing Fx, and it took quite some time to settle. I upgraded it to 112.0.2 via Help-About, but saw the same issue.

That is, starting Fx, opening a "private browsing window" and visit some site, say a search engine, then closing the private window and finally the first Fx window. (At the time I also see some spikes in CPU usage from the firewall software etc.)

Since I can’t have it like this, computer almost stalling for 30 sec, after closing Fx, and to see if there would be any update later to solve this issue, I uninstalled Fx 112.0.2 (I have complete backups of Fx profiles), and, just as a test, reinstalled Fx using the prior version of setup that I had, Fx 110.0.

Of course this meant a clean profile, not what any user wants to see (missing bookmarks is almost minor compared to all settings, incl. in add-ons, gathered over time. So I used the profile manager to change to my previously used default profile. After a restart I was greeted with a prompt that this couldn’t be done (since it may corrupt bookmarks(?) etc.) and I was left with the only options to abort (cancel) or create a new profile. Oh, great. I had not even used the newer ver. (Fx 112) to change or create anything, but I assume Mozilla could have something between the different versions.

So, I uninstalled Fx 110.0 (and of course in the process of creating a new profile/resetting settings it had reverted to "download updates in background", and I had to change that setting back, and stopped what was pending, during my tests trying to move it to my old profile). I installed Fx again, using the setup file for 112.0.1 and did a direct upgrade to 112.0.2, and pointed it to my old default profile, which had been used with 110.0.1 and during the first upgrade to 112.0.1.

Fx is working with my profile again, but it takes a very long time to close and (perhaps together with other software) consumes a lot of CPU, almost stalling the PC. During one such situation this morning I got two prompts for XULRunner "Could not determine any profile running in background task mode!" Never seen before. (I noticed that there now is a new folder in Roaming\Mozilla\Firefox\ called "Background Tasks Profiles".

Any help would be very much appreciated.

Hi. When opening the Microsoft Website (answers.microsoft.com) i experience some memory leaks. See photo for details.

Someone knows why?