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Every time I wake my computer up or start it, I get the attached error about a profile not being compatible. I did switch to the ESR release channel a while back, but I deleted the old profiles; the folder is gone and the profile manager shows only the ESR profile. I have also tried to prevent firefox from starting on startup, but it keeps happening. Does anyone know how to prevent this error from happening, or have any ideas of how to investigate what's going on further?

Well looks like they did it to us again. My tabs are back on top again and need to put them below where I am a lot of other users like our tabs!

Update: Codes working fine now for 133.0

How do you view full headers, these days? Supposedly View > Header > All, but in my version, View > Header does not exist, either when viewing in list format, or even after opening the actual email.... Thanks.

I have received an HTML-formatted message, which arrived with a red background colour. When I reply or forward that message, the message composition window appears with the same red background colour, and with black text. The resulting black text on a red background is hard to read.

How can I change the background colour of the reply or forwarded message which I am composing? How can I override the background colour set by the sender in the original message?

Note that I am asking about the background colour of a message which was set by the sender. I am not asking about how to set the default colour of messages I compose from scratch. Nor am I asking about how to set the background colour of Thunderbird windows or UI elements.

Thank you in advance.

When sending an email the contacts list in the left sidebar is not in alphabetic order, which is not very convenient. It used to be, but I don't know why it changed. Regards, Alan

I am trying to fix Firefox performance issues. I recently changed to Firefox to escape forced ads on chrome and the lost support for the Ublock origin. But I am having difficulty performing tasks and pages That I used to be able to do on Chrome with no difficulty.

When I open multiple tabs at once the tabs freeze up when trying to load and already opened tabs freeze and anything streaming also freeze. It takes tons of time to load multiple tabs and even sometimes single tabs depending on the website. This never happened with Chrome and I understand Firefox is not as refined as Chrome and is far younger than Chrome is but I feel like it shouldn't be this bad. Is there any settings maybe or maybe settings/preferences in the config area area that might help with faster performance and increased multitasking ability in the Firefox browser?

I have tried

1. Updating Firefox - I am running the most up to date version 2. Updating Graphics Drivers- I am running the most up to date drivers(Updated yesterday 11/17/2024 3. Deleting Cache/History/Logs 4. removed or disables unneeded extensions that I don't use every day and only activate when I need them.

None of this has worked to increase performance.

P.S. I would also like to fix the problem where firefox is using too much RAM if possible.

Can anyone help me?

Out of nowhere I got the sidebar today. An absolutely useless feature that I surely did not ask for. And there is no way of closing or removing it. Please provide a guide, to removing or hiding it PERMANENTLY!

How do I stop it from appearing please? It's the address bar.. field. I don't know what to call it, english is not my native language. I just want it to remain small and static like it always did. Now it becomes a huge field that takes up too much space and blocks my vision and I just want it to disappear.

I wish Firefox would stop changing stuff like this.

HI! I have my phone synced to my destop firefox, and just synced my laptop, microsoft windows 11.

everytime I want to access a synced page, like gmail, or my trading brokers page, it asks me to login again, so its synced, but have to relogin every time I open the firefox browser, or even when I simply close the tab. I never have to log in repeatedly on the desktop.

Also, my favourite extension Tab Stash, is missing features in this firefox browser. I have tested everything to get it to work, including clearing the cache, restarting. normally you can right click a firefox tab like the attached image, and choose "open Tab Stash in a Tab". and other options. but they dont show in this synced version of the browser. Very weird and frustrating. I must get this to work as I manage hundreds of saved tabs and folders through Tab Stash which is only available on Firefox.

I dont know how to contact the extension creator, I cant see any contact link on his gitHub.

Hello!

A web site I frequent, livebyliving.org, has a menu structure running horizontally across the top of the pages. Each option has a pull-down sub-menu. Yesterday afternoon or evening that menu turned into the three bar menu icon in the upper corner of the pages and the horizontal menu disappeared. When I click the three bar icon the entire menu structure is displayed vertically.

Firefox on my Android tablet was updated November 26. I used the site in question numerous times since that update and the menu was displayed correctly. It displayed correctly yesterday morning, Nov 29. In the evening, when I went to use the site, the menu behavior had changed. I also note the change when using my Android phone. The last Android update for my tablet was February 6, 2023.

I tested with Chrome and Google today and they display the menu correctly so it seems as if something specific to Firefox changed yesterday.

I've attached three screen shots. The first is the correct behavior with the horizontal menu. The second image shows the same page with the changed menu presentation. The third image shows the sub-menu presentation after whatever changed.

Any thoughts would be most appreciated!

Today when I launched the browser, a sidebar appeared. No matter what I tried, I can't remove it, it really gets in the way, I searched for information all over the Internet, but I still couldn't find any information. How can I remove the sidebar?

Can someone please tell me how to disable the new Sidebar? It is interrupting all of my workflow on the screen and it is frustrating with all of the choice and customization options in Firefox, that there would be no way to disable it.

duplicate of /questions/1476458 thread]

This happened too much, like 6 times when using firefox in this month. I dont want to shut the program because I got unsaved notes in it. I was listening to music and it just began to play it non stop. and it dont respond.

please help, a million thanks!

I try to restart network or suspend the process nothing works. If I could make firefox reopen to it's original state+ cookies; no site reloaded and get back my incogico it would be much appreaciated. ALso everything was saved in firefox since I did not end the task, I dont want to lose those.