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System Software: Win11Ent_x64 v22H2 (b: 22621.2283) MFF v18.5.0.0

No matter what I try, my MFF keeps crashing at startup. For some reason, it tries to open 2 pages the windows at the same time, which is illogical. I deleted firstly my: sessionstore.jsonlz4 logins.json to no avail.

Then I tried to open MFF through elevated CMD with the command: C:\Program Files\Mozilla Firefox\firefox.exe -safe-mode Again, 2 windows pop crashing immediately.

I do not understand why all of the sudden, it tries to open 2 different instances at once. This makes no sense. I am out of ideas, having tried many an option found on Google, but which none give me a solution.

If anyone has an idea, I would be quite darn thankful. This MSEdge crap that I need to use now is not quite my thing.

Thank you. Ke'Ylan

I installed a new Thunderbird because my 12 year old installation had 187 GB!!! Then I saw that the new installatinio is growing!! every day about 2 GB. The growing thing is imapMail ... I have only ca 1500 mails.

Since updating Thunderbird, I cannot access my Microsoft account. It shows the 'Authenticated but not connected' error message. I can access my emails on my mobile phone but not on my computer. I have changed the disable IPv6 to true, deleted my stored password and entered it manually .... nothing seems to be working. Any ideas? Thanks in advance

Good morning,

I'm reaching out to see if I can get some assistance with Firefox on of our network. I'm System Admin at Goodfellow AFB. I've tried searching this issues on the web and found similar issues but solutions that were recommend online have not worked for us. Yes I have uninstalled Firefox completely and installed it from scratch. I know it has something to do with autoconfig file but not sure what exactly I'm looking for. Thanks.

Good Morning. I have been using Firefox for 20+ years. Last night it did an update overnight, and this morning I am getting "The Page Isn't Redirecting Properly" error message on my business CRM site. This appears to be the only site having an issue. I have never had this error previously.

I tried all suggestions already including clearing cache/cookies, checking settings, delete history, troubleshoot mode and nothing. The site opens fine on Chrome and MS Edge.

Any additional help is appreciated, this is very frustrating.

Thank you.

Hello everyone. Since installing Linux Mint in May 2023 I have been having this issue with Firefox.

Description of issue: When I switch between (or drag) tabs in a Firefox window, the whole window becomes unresponsive, with the last tab I was switching from still in front. Often the contents of the window start to flash (disappear and reappear, leaving a black backgground) every 2 seconds. I can drag the window around, scroll, minimize it, but it is impossible to give any input in any tab. The only action somewhat possible to do inside the window is bring other tabs in front, it is still quite hard for the input to register, and if it does, it takes 10+ seconds. The issue goes away if I close the specific Firefox window, or if I manage to select and drag one tab out of the frozen window into its own new window. Then everything works as intended, like nothing ever happened.

I can reliably cause the freeze-up in a short time by holding CTRL+TAB and drag one tab to change the order while firefox cycles through the tabs in the open window.

While the window is frozen, the rest of the desktop is responsive as normal, even other Firefox windows. If I try to interact with the frozen window I can rarely see spikes of CPU usage. RAM stays at normal usage levels, far from being full.

What I have tried so far that has had no effect on the appearance of the issue:

1) Disabling all extensions i have

2) Run in troubleshooting mode

2) "Create a new places database" as suggested [https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding#w_fi...]

3) Disabled hardware acceleration

4) Creaing a new firefox user profile

5) Use "Refresh Firefox" from the troubleshooting page

6) Use the Flatpak version of firefox

7) Reinstall firefox

Here is my system information

here

In my list of Inbox Unified Folders (13 of them), one folder in particular (the second one) is sometimes there, then at some point later is gone. It's still in the 'All Folders' list, but not in the Unified folders list. If I kill TB and restart, then it's back. I have no idea what ops might cause it to vanish. Any idea what's causing it to vanish or what I can look at?

Hi everyone,

lately I started experiencing a font-family-related issue. On certain websites the font-families/styles look broken. I tried troubleshooting the issue by myself without any luck. What I did so far was reset my Windows fonts to default, reinstall Firefox and look what font-families are loaded through the Inspect tool. If I opened the same web page in Chrome the font looks OK. Two websites the issue is most visible at - support.fiverr.com and gmail.com when someone replies to my e-mail.

Please find below a screenshot of what I mean

I wondered several times why firefox recovers old tabs when it chrashed. now i see that in my profile folder/sessionstore-backups the file recovery.jsonlz4 is some days old (while i was using firefox in the meantime very often) and does not update frequently as requested by about:config browser.sessionstore.interval = 15000 (15s). - this folder or the files are not locked. i can delete/rename them, they are not re-created - there is no file sessionstore.* in the main folder of firefox profile while running firefox - i am using 102.4.0esr (32-Bit) on a company PC (could there be any restrictions?) - the file previous.jsonlz4 seems to be created correctly when firefox is closed normal (which is not my usecase, i want to restore up to date tabs after crashes) - i am not using a private window

do you have any idea?

I just installed Thunderbird for the first time...

it didnt even download at 1 time from gmail

i am now getting a timeout issue for trying to send my first e mail... I CANT EVEN ADJUST ANYTHING to be able to try again with more time...

and i thought Thunderbird was supposed to be better than outlook... HMMM

i have the latest version of TB with win 10

i want to be able to send e mail without time out issues this is thanksgiving geez

HELP!!

Starting yesterday 1/30/2023, when I open Thunderbird, it immediately freezes after about 5 seconds after opening. The spinning hour glass immediately starts and I have to literally close out of the entire program in order to get out of it. I open Thunderbird up and it happens again. I have tried opening in safe mode and disabling all add-ons, but it still freezes after 5 seconds and crashes. Is anyone else experiencing this and what can I do to correct this?

I am using Thunderbird version 31.7.0 and it keeps randomly crashing when usually when I try to send an e-mail. The e-mail appears to go out, but it is not copied to my send folder. I can keep it working is I use safe mode.

My Crash links are: https://crash-stats.mozilla.com/report/index/9e388085-aa3d-454c-bf55-924102150612 https://crash-stats.mozilla.com/report/index/2613f4fa-89d4-49c3-92ad-4f3292150612 https://crash-stats.mozilla.com/report/index/a5f726e5-8f62-40a9-9087-4bab92150610

Hopefully someone has an idea how to fix this. It appears every crash is for the same reason.

Thank you for your help.

I love how the new tab page clearly states "Never fear losing a closed tab again.", and then when a window disappears it is followed by zero history to recover it. I have not restarted Firefox, let alone my computer since the last time the window was seen (about half an hour ago). It's not in my Alt+Tab tray hiding. I don't even remember closing the tab--though it's possible my keyboard double pressed when I was closing another window. (It's old and has a tendency to double hit keys). But now I have lost a window with at least 20 tabs open--mostly things i had yet to deal with and don't remember the URL to get back to it.

What use is my history and ability to reopen accidentally closed windows if everything just disappears from it within half an hour after the window could've been closed?

I would prefer to keep most of my browsing on Firefox, but I can't constitute that if I'm going to lose months worth of saved tabs randomly.

I have a new installation of Ubuntu 22.04 on my 2015 Lenovo IdeaPad 300. I have a new SSD HD 1 TB in size and it should work, however, Firefox keeps crashing. Other apps are crashing too.

OK, I asked this question many months ago and still don't have a solution:

I inadvertently changed the background of my Thunderbird to black with white text. I have NO idea what I did or how to get it back. I tried this: Menu app icon (3 lines) > Preferences select 'General' Scroll to 'Language & Appearance' click on 'Colours' Text = white Background = Blue uncheck - do not select 'Use System colours' 'Override the colours....' select 'Never' Click on OK

I really hope that someone can help! Thanks in advance.

I installed Firefox years ago. This morning, when I click on the browser icon, I get this message: Error platform '127.0.2' is not compatible with minVersion>= 127.0.1 maxVersion<= 127.0.1

What is going on? The browser updates itself so I don't do anything. But now, it doesn't work. I use an alternate browser to send this message to you.

basically just the title. In the last couple days youtube.com specifically has been borderline unusable for me on firefox. All other websites work fine for me on firesfox and youtube has no issues on other browsers.

I got a notice that Firefox (and Thunderbird) were updated this morning. Took me an HOUR to find out how to make the miniscule font in my inbox larger. So.. suddenly, new problem.

When I click the Firefox icon to launch the browser, and reopen my tabs, It opens for a millisecond, then closes faster than I can try to read if there is an error. When I click it AGAIN, all my tabs are GONE and I have to search for them manually, which is a royal pain.

Why is this happening? How can I stop it from happening? This is annoying as hell.

Every day my Thunderbird crashed when getting email. I assumed it was a corrupt email rule, annoying but not sure how to address. Incidentally a few months ago, due to another project, I had to move my Thunderbird profile from my Windows machine to my Mac and when I did the crashing stopped. That project has now finished and I've moved my profile back to my Windows machine and the problem is back. I've installed the latest 102.13.0(64 bit) version of Thunderbird, but no difference. Are there any logs that might show in a bit more detail what's going on ? The log that's shown with the "Thunderbird has crashed" message seems to be little use.

Any other suggestions as to why the mac is happy but Windows isn't ?

Cheers

David

TO MOZILLA DEVELOPERS

In spite of hundreds if not thousands of users reporting this issue over and over again, and your suggested workaround to reduce memory usage in the settings that doesn't do anything - FIREFOX is still using unacceptably HUGE amount of memory.

With just FOUR (4) tabs open in one window, in the Task Manager I can see 17 (!!!!!!) Firefox windows open using 830 MB of memory. The highest usage of all my apps including memory hungry media apps. It's using THREE times as much memory as my Adobe Audition processing edits of a 1.5 hr audio with several clips.

This is insane!! You have gone crazy with caching to the point of making this browser unusable.

It's freezing up and crashing my Audition so before I work in it I must shut Firefox down completely - and I work on a powerful tower PC designed for media.

If you don't seriously cut back on this insane caching for the sake of browsing speed IN THE NEXT UPDATE, I won't be using your browser at all, it's simple as that. I'm already migrating my bookmarks and setting up Chrome which uses about half the memory that Firefox does with the same tabs, and I suspect that many users will follow suit.

The workarounds you offer DO NOT WORK. Any app that uses more than 500 MB of memory at any give time on my computer - goes.