Firefox Support Forum

I often see that some pages take up too much memory. This critically affects the performance of my laptop with 8 GB of memory. However, I was unable to reproduce this behaviour. Now I have caught two web pages.

https://linuxhandbook.com/sort-top-command/ 

and https://www.tutorialspoint.com/how-to-find-number-of-ram-slots-in-linux The first page quickly takes up 1-2GB and continues to drain memory. The maximum usage was 7 GB on a laptop with 16 GB of memory. This behaviour is the same in Firefox and Chrome. The second page quickly takes up 2GB, which is very noticeable on 8GB laptops. Why do these pages take up so much memory? Most importantly, how can you protect yourself from such an unexpected memory consumption?

I have Firefox set to "Ask whether to open or save files" not to Save files. This never happened before, but now Firefox is not giving me the option to open or save files, and automatically starts the download without giving me the box with both options. I get the message Opening in x amount of time in the "Display the progress of ongoing download" button, instead of the remaining time of download where the file doesn't open when the download is finished.

How can this be corrected? I have a feeling something happened in a new version of Firefox.

Hi, after updating to 118.0+ my MX vertical binding was changed to backwards -> Responsive design mode, forewards -> nothing or turning on add-on for bitwarden. I want back next and previous page feature. How to solve it? Thank you

I am new to firefox, and not a developer. I have seen articles showing how to install a Language module (done, GB English), but when I right click in a text box all the advice says I should see a "Dictionary" sub menu, but I don't. Spellchecker works in Chrome and Safari, just not firefox. Any ideas...

Hello.

Lately i found strange bug in FF 119.0 (ppa - deb, not snap version), ubuntu 23.10 I can't download any file to mounted ntfs volume. Firefox instead creates thousands of empty files. Once it was 10001 or 10003 other time it was 20000 of files. I tried private-window, no change. I have removed all add-ons - no change.

For example i was trying to download https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso and i ended with (only few last lines):

-rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9989.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-998.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9990.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9991.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9992.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9993.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9994.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9995.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9996.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9997.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9998.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9999.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-999.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-99.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest-9.exe -rwxrwxrwx 1 root root 0 2023-10-27 22:23 spice-guest-tools-latest.exe

I can download the same source files to the same location with other browsers without problems. Thank You for Your help!

I get black and or white rectangles on web pages as I scroll or move the cursor. Some times they obscure what is on the page, sometimes a ghost of what is underneath shows through, sometimes they are like a layer between page components. I've attached a couple of screenshots to show some of the problems. I've reset Firefox but it made no difference. Any suggestions? Rhanks Tony

PC Acer Spin SP513-55N OS Windows 11 22H2 Firefox 119 build 20231019122658

Quick background: I live in the US. I wiped my computer while traveling in the Netherlands. I installed Firefox while in the Netherlands. I quickly noticed that the default language was Dutch. No biggie, I looked around and "managed language" to English in the Firefox settings.

The problem is that Firefox is still stuck on Dutch mode. Even the spell checker is stuck. Internal messaging is stuck (e.g. the messages on the bottom of the page while loading a site). I just went to DuckDuckGo and it defaulted the page to Dutch.

I understand that I could reinstall Firefox while I am at home (US). But I think this is a bug. The browser should be able to switch languages in the settings, etc.

Let me know if I am doing it wrong.

I just wanted to make my bookmarks from my new PC available on my old PC. I signed into sync on the new PC and it's imported a whole of of old links and totally messed up the setup on the machine. Has it merged the bookmarks or imported old saved bookmarks from my account? Is there a way of reversing this. I selected add another device and maybe it found the old computer on which I was logged into my Mozilla account.

I am getting notifications with the Mozilla logo or sometimes with McAfee logo saying "5 Viruses found, your computer is unstable" and various other warnings. They all also say "via qltuh.titanicooler.top" I have attached a picture.

I have closed the browser, I tried clearing my cache, I have scanned using both AVG, AVAST, F-Secure Online Scanner, and Microsoft Safet Scanner. I am not quite sure what else I should do.

Thank You

Hi, I've had this issue since I installed firefox on my current computer. The hover menu shows up on Youtube and some other video websites, but not on Twitter for example.

I followed what a forum post here said about dom.w3c_touch_events.enabled and HID touch interface, neither did anything for me (I don't even have a HID touch interface device on my list, not even hidden).

Need some help :P

I have "Open previous windows and tabs" checked in the settings, And have been using firefox in that manner for years, Like I would close the browser without thinking, And coming back to what i was working on. But today for some reason, I came back to all my tabs gone, And I openned multiple tabs and closed, And opened the browser again and there were no more tabs. (I know about ctrl+shift+N, But that is not automatic) Please help I really need this feature, As i don't like closing tabs!

Hi, i have problem with uninstalling uBlock Origin i cant remove them from extension tab. I tried refreshing firefox, reinstalling, opening firefox with troubleshoot mode and still nothing i dont know why is so difficult.Even when i reinstalling firefox this addon onstalling by itself even when im not logged in.Please help me. Thanks

When clicking a link to a website, it opens my default browser, which is firefox, but it opens a new window with no add-ons, custom settings, cookies, a blank browser. After the recent update as of 3 November 2023, all my add-ons and settings were completely reset, as well as bookmarks all deleted, so I created a new profile to save all my settings. The new window that gets opened does not have any cookies, so it is not logged into anything. It also cannot combine with my other firefox windows and tabs.

When I compose a Twitter reply (desktop) text becomes garbled. If I hit 'Enter' message disappears. It I hit 'Shift' and Enter, cursor returns to beginning of sentence. Apostrophes don't render, at times.

It's as if a 1978 version of a word processor, you can type, but nothing else

Other posts, other websites work beautifully. v119.0, but has done this on every version, every configuration

Attached is me pasting ' issues with Twitter on Firefox ' into compose No idea

Thanks in advance

I used to be able to use the backspace key to go back one URL in a given window. Now, even though I have gone to about:config and changed browser.backspace_action = 0 to 'true', this no longer works, at least not with my new Windows 11 computer. I tried closing and re-opening Mozilla with the new preference, and again with closing, restarting the computer, and then re-opening Mozilla. Please help if you can. Thank you so much.

I am having an issue with a work site where the content is not being displayed correctly. This site uses microsoft single sign-on with my corporate account and it seems that this is where it breaks, as I am finding errors that point in that direction: GET https://autologon.microsoftazuread-sso.com/softtek.com/winauth/sso?client-request-id=xxxx POST https://login.microsoftonline.com/common/instrumentation/dssostatus Result: NS_BINDING_ABORTED

When I open the same site using Edge (sorry:) it works correctly. The issue is that I do not have control over that website and I use it to enter some work information and I haven't found a way to work around it. I have disabled DNS over HTTPS, HTTPS only mode, Deceptive content protection, allowed single sign-on for microsoft, deleted cookies, etc and nothing seems to work. I hope this gets looked into as it is really an issue that might affect everyone not only at my workplace but others that may use similar functionality. Thank you.

I reinstalled Firefox, now 119.0.1 64bit on our Mac M2 now OS13.6 via download-reinstall in the owner account on our shared Mac. The "Firefox is being updated by another instance" line in About Firefox still has not gone away after closing and restarting Firefox.

Presuming this will disrupt future updates, I seek help.

Background: Last spring, I upgraded from a 2016 Mac on OS10.15 (which still appears on my Mozilla account) to this M2 OS12 now 13.6. I had previously set Firefox to prompt me for updates because they could disrupt my work on the old Mac. It worked fine up to 118 point something. Up to my ears recently in urgent other stuff, I deferred the prompt for 119. Then, frazzled, I just closed several 119 prompts. Today, after helping my wife use her account on the M2, I found in my Dock's active apps area an icon for something like Updater something-or-other. After a while, I swiped it away.

Hi, I updated Firefox to v119.0.1 and on Amazon Music site, the "navigation menu" is missing, see attached file. The "menu" is present on Edge (see bottom frame of Edge screen shot). What should I do to back the frame?

Best regards, Andrei