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I've read everything apropos here, tried everything, and I'm lost--and totally screwed--if I can't get into my old Thunderbird. Spectrum, computer died, nobody competent here to get past "Registry Error," I guess, but I need all the data, contacts, calendar, etc., in the T'bird I've relied on for MANY years. PLEASE help. I tried to get a screen grab: It didn't work.

This is the second time I've appealed for help.

Today I find out that was logged out of my Firefox accounts. it happends few time this week. When I tried to log in, I found that all my passwords were gone. The logins-backup.json file is empty. after i restore firefox account synchronization happened and I'm afraid that I lost all my passwords. so What can i do?

All of a sudden, this error message started popping up every time I open my in box. Please help: What is the problem, and what can I do about it? I am not expert enough to figure out what I must do just from reading the error message. Image below. Thanks.

The subject says it all: command-shift-F [Search Messages (advanced search in folder)] no longer works for me in 141.0 on Mac. Does anyone else have this problem, and if so, how to fix it?

Thanks

John Anderson

Hello,

I am using a MacBook Pro (16-inch, 2019) 2.3 GHz Intel Core i9 8-core processor 16 GB 2667 MHz DDR4 memory

When I launch Thunderbird, the fans start up. As soon as I stop Thunderbird, the fans stop. When I close Thunderbird, I receive an error message (see attached).

Could you help me?

Thank you, Have a nice day,

My Thunderbird email has been blocked with the error message "login to server imap.earthlink.net with user [my email address] failed"

Never had this issue before a week or so ago. Please help.

Richard

Thunderbird Version 142.0 (64-bit) August 19, 2025

If I get a popup stating:

 "Check Spelling"
   "Misspelled word: ..."  (Yes, there is a "misspelled" word)

Clicking either "Ignore" then "Send", or "Send" results in:

Sending of the message failed. An error occurred while sending mail. The mail server responded: MAIL FROM:<MarkJL0@OptOnline.net> does not match authenticated user name. Please verify that your email address is correct in your account settings and try again.

Version: 115.27.0esr

Hello.

I 'might' be missing a detail but there is no 'X,' in the top right corner, when viewing Google Reviews.

Clearing cookies, closing and reopening the browser, and rebooting the PC are not successful.

Don't know whether this happened due to the recent Firefox update however, when I attempt to watch the above identified networks Firefox gets caught up in an endless loop and I cannot connect to watch on my desktop computer. Wondering whether other users have experienced the same issue and whether there is a resolution.

I'm testing Firefox ADMX templates and I added some bookmarks under user configuration. Sure enough, the bookmarks appear in the toolbar when a new tab is opened but the bookmark buttons themselves have no favicons even though I filled the Favicon URL field in the GPO editor. Of course, the bookmark buttons display the favicons once the website is visited but they disappear if the cache is cleared. Is there a way to display the favicons on the bookmark toolbar without having to visit the web site? Or am I misunderstanding the setting?

Hi, I have the problem that I don't receive any push notifications for my Outlook account. I tried both the Thunderbird and Thunderbird Beta app and everything ist setup correctly, as I get instant push notifications for my other accounts. What I also noticed is even when I open the app and refresh the Unified Inbox, new emails on my Outlook account don't appear. I have to select the inbox of my Outlook account and refresh that to actually get my new emails.

Does anyone know how to solve this or has a similar problem?

AI "summaries" or "explanations" have been popping up in front of actual useful text that I want to read. How do I disable this AI summarizer or turn it off? If this removes an AI chatbot, even better.

Hi all. Years ago I used to use a text only browser and as everyone knows as time goes by more and more graphical content flys onto your screen plus all the other rubbish which is just a pain.

Its also good for gobbling up your data allocation if on a mobile plan or fixed monthly data package and when you go over you have to open up that wallet and and over more hard earned cash.

So after checking out Firefox option I see the "text" toggle button only works on some websites or is not available at all on other sites.

Is Firefox or the programmers going to look at full support in the near future for text/graphical option to toggle between in the browser? I think it would be definitely worth the effort and time. This would also be ideal on very low bandwidth connections.