Firefox Support Forum

When I'm trying to go to a specific website, it doesn't connect with an error code "SEC_ERROR_UNKNOWN_ISSUER". I was able to press a button labeled "Accept the Risk and Continue" before, but the button seems to have disappeared?

I've been watching and following along with a Unreal Engine 4 Course on Youtube for some time now (mentioning in case the resource usage has something to do with it), and in the past couple days I've noticed a pretty serious and annoying bug. When I pause the video, tab (Cmd + Tab on MacOS) into Unreal Engine, do some things, then tab back and resume the video, it will play for one frame and then stop and buffer, but the audio will continue playing. The only way to get the video to resume is to skip forward/backward in the video (either with the arrow keys or the progress bar). I've also tried Troubleshooting/Safe mode and the issue still persits.

Hello. I recently moved from windows to Linux Mint, and noticed the behavior of the Picture in Picture window is different when resizing. On windows, the aspect ratio is kept. while on Linux, it is free form, making these black bars around the video, so I have to resize it very carefully to not show any black bars.

How can I make the PiP on Linux behave like on Windows? That means resizing keeping the aspect ratio.

Attached are the comparisons between Windows and Linux Mint.

Thank you very much!

Any extensions I install suddenly don't show up in my toolbar or the customization menu anymore, so I also can't drag them there manually.

Deleting the extensions and re-installing them didn't work, neither did deleting the extensions folder itself.

Does anyone know how I can fix this? I've attached a screenshot of the customization menu and extensions menu below.

Thanks :)

I have multiple monitors and most often have Firefox windows open on each. Lately, I've been noticing that the Desktop Window Manager process is consuming a huge amount of RAM. At the same time, consumption completely disappears with the closing of Firefox windows. Video: https://i.imgur.com/pHCa7Hh.mp4 (I left it for a while then closed Firefox windows) After a while, I noticed that already 13 GB of memory is being used by DWM. I don't know if sites affect behavior, but most often I have https://music.yandex.ru/home open

OS: Windows 11 (Microsoft Windows [Version 10.0.22621.1928]). Firefox: 115.0.1 (64-bit) Screen setup: 1 - 3840 x 2560 with 200% scale, 2 - 1920 x 1080 with 100% scale.

just updated to 115.0.1 on the Mac yesterday and now tradingview website isn't working - i tried adding it as an exception in EnhancedTracking and CookieSiteData like i did with ebay to get it working again but no luck with tradingview... any ideas ? thx

Hi - Javzscript Enable, though "True", still brings up the error "Enable Javascript". I spent hours on this, but nothing useful was found. Has any one had this problem, and if so, were they able to fix it?

Best regards, Nick.

I have 8 windows open all the time on my main Firefox, and switching between them is hard because the name is that of the last tab I used, which might not be very human-readable or might be similar to one on another window. It would be great if I could name my windows! Is there a way to do that? If not, could I request that as a future feature?

How do I have all my bookmarks and folders sorted by name automatically and permanently? When I open Bookmarks I want to see the folders sorted and the bookmarks inside each folder sorted, automatically so I never have to manually. In other words, behave like Windows File Explorer.

I'm almost certain I had it working that way on a previous installation of FireFox, but I can't get this new installation of Firefox to do the same.

Since the Firefox update released 2 days ago (version 115.0.1) I'm constantly having an issue which causes the video to stop playing after the adverts. I eventually get a video unavailable message. I've cleared my cache but it's made no difference. I'm hoping that this is a known issue & that someone is investigating ?

Is it possible to permanently set a different search engine for private browsing? I have Google set as my search engine in my normal browsing mode, but I'd like the private browser search engine to be permanently set to DuckDuckGo.

(I realise I can manually set it each time to DuckDuckGo but this is tedious.)

With thanks.

I recently started experiencing errors for logging into third-party websites that use Google sign-in.

On one site (coches.net), I have the sign-in popup loop for like 3 times and then disappear but leaves me unlogged.

On the other site (etoro.com), the sign-in popup shows but then I get an error message from the site about the login. Then it won't let me reconnect since CloudFlare won't accept my "I'm not a robot" prompt and keeps reloading the same page.

This started happening yesterday. I'm not aware of any Firefox or Anti-Virus updates that have happened since, measures not existing yesterday.

I can sign-in correctly from Chrome with no issues.

I'm trying to stream my NPR radio station -- https://www.kunm.org/ -- but cannot hear any sound. However, I can hear a tv livestream -- msnbc.com.

I can listen to kunm.org on Chrome and Edge.

How can I listen to my radio station on Firefox?

When a new bookmark is created, it isn't saved in the specified location (which I will henceforth call the "folder").

For example: I'm on a page I want to bookmark, so I select Bookmarks>Bookmark Current Tab. In the Location it already has the folder I want, for example, "Math". I click Save.

Naturally, I expect the bookmark to be saved in the Math folder. But it's not. Instead, it will be in the "Bookmarks Menu" folder (which is the outer folder that contains Math). If I select Bookmarks>Edit This Bookmark, the location will show "Bookmark Menus", not "Math". If I try to use the bookmark, it's in Bookmark Menus. If I then change it to Math, the bookmark will now be saved in the correct folder.

The same thing happens if I select "Choose" when originally creating the bookmark, and then select the folder. The bookmark will be created in Bookmarks Menu.

I've learned to always (or almost always) remember to edit each bookmark after creating it, but it's still a very annoying bug. It's been like that for as long as I can recall, and is still the way in 115.0.1.

Hello! This is not really a question ... more a comment. This morning when I opened my WIN 7 HOME tower PC, and opened FIREFOX, I saw the notice that this latest release is the latest for WIN 7. That's fine, but I wish to tell you something about WIN 7 PRO & MICROSOFT. Evidently, there is some major user of WIN 7 PRO who has demanded that MICROSOFT continue to support this version. I have two H-P laptops, which I use for Ladder programming. Both are loaded with WIN 7 PRO, and both receive periodic updates from MICROSOFT. So, it would seem that ALL support for these older releases of Windows has not ended. I am in the process of moving all my files & applications from this WIN 7 HOME PC to my WIN 10 tower PC. THANK YOU. robert herold [removed emails from public]

P.S. Had no problem porting the FIREFOX data to the 10, but had a lot of problems doing the same for THUNDERBIRD on this PC to the 10, despite getting assistance from your tech people.

Hello, While not on every occurrence of starting Firefox, too many times Firefox won't bring up its home page (Google) because two applications running in the background (Memeo Premium Backup and Trusteer Rapport) start to run at the same time and contribute at least 70% of the CPU load, with Firefox accounts for another 20%.

I imagined that Google is flooding Firefox with a lot of files that Memeo begins tabulating for transfer in anticipation of its external backup drive being eventually switched on.

So I decided to tell Memeo to specifically exclude two system folders which might be storing temporary files when Firefox is active.

C:\Users\**\AppData\Roaming\Mozilla\Firefox C:\Users\**\AppData\Local\Mozilla\Firefox

Doing this did not improve things, as Memeo and Trusteer occasionally turn on as Firefox is starting up.

Does anyone know of any other folders which could be potential locations for temporary data that Memeo may feel obligated to interact with.

Thanks

I cannot drag the home button to the toolbar to add it ? i do not know why but i can add it to the right side by right clicking and clicking add to toolbar but thats not where i want it. I cant drag anything to add it where i want