Firefox Support Forum

I have the strangest problem. If Firefox is closed and I do a speedtest in another browser, download a file, or do other internet activity I'm getting about 200-250Mbps d/l and 100Mbps upload. As soon as I open Firefox, whether I load a page or not, the upload speed stays the same, however the download speed drops to about 25-50 Mbps. This only happens on one PC, the upload isn't affected, and resolves itself as soon as Firefox is closed. Here's what I have done without any change in this behaviour;

• Rebooted
• ipconfig /release /renew /flushdns
• Removed and reinstalled the network adapter
• Enabled, disabled windows auto tuning and tested (slower disabled)
• Updated Windows
• Refreshed Firefox
• Uninstalled Firefox, deleted remaining folders from Appdata (Local, Low, Roaming) as well as the program file directories and "Mozilla" registry entries. Restarted and reinstalled. Issue immediately resumed when Firefox was open.

Also when connected to a VPN Firefox download speed increases to about 60Mbps and is consistent across other software. If I split tunnel another browser outside the VPN, it is still stuck at 60Mbps. If I close Firefox the speed increases.

This makes absolutely no sense to me, so I'm hoping someone can shed some light on this - but it does seem to be something Firefox is doing.

Thanks for any help anyone can provide.

Figma and Google maps are rendering as black screens. I can see control panels, but not content. This has been the case for about a week now. I have tried switching from dark/light modes.

Hello! Since as of last update to 127.0 (64-bit, ARM-version) Firefox looks like the attatched photos. White spaces all over which makes Firefox impossible to use. This only occurs on my Surface pro X though so a problem with the ARM-version?

So far I've tried switching to light theme, a refresh, deleting the entire Mozilla folder in APPDATA and a reinstall (using Revo uninstaller first) of Firefox but it still looks the same...

Is there anything more I can try or is this just my life now?

Regards, // Richard

I isolated weird audio distortion when playing you tube videos to Firefox browser. Watching video from non YouTube sites does not have a problem. Watching you tube videos on Microsoft Edge browser does not have any distortion. Appears to have happened after latest 6/14/2024 update

Hello!

I get this error often when I try to access various websites. This doesn't happen when I use Opera, so I assume the problem is not with the websites.

My OS: Windows 10. My Firefox version: 127.0 (64-bit).

Good day!

After the last firefox update, there was a change in the way screenshots are saved. Specifically, the file names are the same, only for some pages they create them uniquely as it was before. I am sending an example of a name (Screenshot 2024-06-17 a[...]) that is the same for different screenshots and therefore I always have to rename it. Before the update, this never happened, each screenshot had a unique file name, so it was saved without the need to enter a file name.

I use this feature very often and i find it very annoying to create file name and it is very impractical and time consuming. Can it be set somewhere? Or what should I do. I really like this function of firefox and I don't use another browser because of it. I don't even plan to, because I think it's the best browser and has a lot of great features. This is one of them and I'm really disappointed that it got worse with the update.

Good morning from Holland.

I am amazed not being able to open sites like Banggood and a few others. Tried to delete all the controls on the item but it does not change the behavior of Firefox. Please inform.

Hans Minekus The Netherlands

I reinstalled Windows because my Windows got basically completely corrupted, I tried to log in to Firefox after reinstalling and it won't retrieve the bookmarks I had until 15 or 16 June, please help I can't get them back

Using Firefox on an ancient Dell with XP to run one IP security camera, It may have succumbed to a software glitch. The message now on startup, after an initial failed attempt to load operating system is: C0000218 Registry File Failure. Registry cannot load Hive File, log, or Alt (Corrupt, Absent, or Not Writable)

What do you suppose can be done to de-glithch the os loading routine, so I can keep it out of the landfill.

Thank you, Tony H

Youtube audio is extremely slow, I reckon at 10%, but the video is fine and can be sped up or down. The problem persists even in troubleshooting mode, after cache clearing, hardware acceleration turned off, enabled DRM and widevine, driver updates, in private mode or not, logged in or not, firefox restarts, computer restarts.

But Youtube plays fine in Chrome and Edge.

I dont think I didnt anything drastically different, or updated win10 or firefox, or messed with anything. It was working fine a day ago.

Is there any way to reset something?

Respected Sir/Mam I saved my password on Firefox but when i reset the password of my firefox account all my saved password are gone. How Do i recover all my Pass??

When I try to login to my Social Security account after pulling up the Soc Sec site (ssa.gov), I get this message:

"Bad Request Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit."

I tried waiting a couple of days and attempting a login again. I also tried turning off my VPN, using a new tab, refreshing the site and restarting my laptop. I do not get this message when I use Safari to login, but I want to use Firefox.

Thanks for your help in fixing this problem.

Ive been using firefox for many years. The new update took away the bookmarks toolbar. My preferences are still "Always on". But, I can only access Bookmarks through a drop down menu. Just wanted you to know. Thanks

Sorry, not sure where to put it for the "topic".

Tried this link: https://support.mozilla.org/en-US/kb/recover-user-data-missing-after-firefox-update

I see TWO profiles listed.

As the current one isn't what I want I try the second one "launch in new browser" - as said in the notes.

All that does is throw me back to the "welcome to Firefox" page.

No, it isn't the end of the world, but I had a few open windows/tabs. (By comparison to this machine which has A LOT of windows and tabs open)

They were useful/used/needed stuff.

It is a DIFFERENT MACHINE to this one. I haven't logged in here from the OTHER machine - may in the future if required/asked.

I'll try to leave well enough alone for now, but I do need that machine and this is a huge bump in the usual smooth flow of things.

BTW - just mentioning. MANY sites showed/suggested how to restore previous sessions but they all point to the HISTORY menu and then show RESTORE OLD SESSIONS.

Doesn't exist on either of my machines.

No data shared as this is NOT the machine with the problem.

I am running a dual monitor setup. My primary monitor's resolution is 3440x1440, and my secondary is 3840x2160.

The text on my Firefox toolbars and menus looks very clear on my secondary monitor (3840x2160), it looks as I would expect it to; however, on my primary monitor (3440x1440) it's smaller which makes it pixelated meaning it's much less clear. I've been using Firefox for about an hour and I'm already bugged enough to post here.

Due to the different resolutions I need to keep the layout.css.devPixelsPerPx in about:config to the default -1.0 so the windows scale as per my Windows 11 settings.

I have had an issue for months where streaming services like Netflix, Hulu, Max, and Amazon Prime will not work on Firefox. I am updated to the latest version, 127.0 (64-bit), and am able to successfully log in to these streaming services, but without fail get an error message when I attempt to stream a video. Netflix returns a F7531 error, Max returns an error code, and Prime Video says I cannot stream without the latest version of the browser even though I am up to date. I have restarted and updated Firefox multiple times, have toggled and uninstalled extensions and nothing has worked. The extensions I currently use are Auto Tab Discard, Google Analytics Opt-Out, Honey, Return Youtube Dislike, Search by Image, Shinigami Eyes, Sponsorblock for Youtube, UBlock Origin, To Google Translate, and Video DownloadHelper.

Until a few days ago, my Firefox would save all the tabs from the previous session. But now it does not, and I still have all the necessary settings enabled. I noticed that it will save the previous session IF I use the Firefox "EXIT" from the "File" menu. However if I use close the session using the upper right hand corner Windows close box (where the "X"), it does NOT save the tabs from the session. I also notice that when I close the Firefox window using the Windows close box, that Firefox (several) show still running under the Windows Task manager, but not when I use the "File:Exit". Running the current FIrefox version 127.0 (64-bit) under Windows 11.

Hello,

i am following instructions from here:

https://support.mozilla.org/en-US/kb/automatically-fill-your-address-web-forms#w_turn-address-autofill-on-or-off

but i don't see option to enable autofill on desktop. On mobile, autofill only shows USA ans Canada. Why Chrome allow me to use address autofill and Firefox not?