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For a few days a banner persists on the lower left of the message window. It obscures content. ""Upgrade to Thunderbird Release"" I have checked twice to make sure there is no update available. Why does this annoying message persist after I run the update. I have rebooted the application multiple times. I do not want to click "Learn more" on the annoying banner promoting "Get monthly updates. with new features and improvements in the new Thunderbird Release" Is it malware? If the application is up to date why are you forcing me to "Learn more"? This is not a good user experience. My MacBook Air is up to date. Thunderbird release 128.11.1esr

The first problem cropped up immediately: Thunderbird has done a pretty good job for years of recognizing my email preferences for Inbox, Trash and Junk; now it no longer delivers email to my Inbox or Trash at startup. Almost all of my email goes to the Junk folder, including that from whitelisted senders. All of my individual spam filters and my whitelist are set to act when email is received, but I have to run the whitelist manually to get it to work (sometimes more than once). The only way I can get things into the Trash folder is to put them there manually, as TB apparently has forgotten everything it learned about my email preferences. I did take the opportunity to update my Whitelist (though to no avail), so I guess I'm sort of glad that I was goaded into doing so. But it hasn't helped.

As of tonight, I can't write or reply to an email or edit an email draft because TB locks up while it is "Copying messages to Drafts..." I've had to close TB ten or twelve times, and I've not been given the opportunity to make a bug comment during the closing routine.

I have emptied the TB cache in hopes that doing so would clear up these issues. Though that works well in Firefox, it didn't help with these problems.

I also am not too happy about the disappearance of the File Edit ... folder bar and its being replaced with a hamburger drop-down menu at the upper right, but at least it will suffice once I've unlearned almost thirty years of doing things a certain way.

I really don't want to stop using Thunderbird. I like the program, and I'd hate to have wasted the two solid weeks it took to get Yahoo! Mail to acknowledge its existence and let me connect to their service, which I did under duress. Not that I'm a masochist or anything.

Windows 11 Ver. 24H2 (OS Build 26.100.4351) Thunderbird Ver. 139.0.2 (64-bit) HP something-or-other tower computer, vintage 2021

Installed latest beta....updating from the prior version Font size in folder list has changed....Font in subject and correspondents remains unaltered

This change was immediate. No input from me. My preferred font sizes remain the same as used for the past several months in the beta

Troubleshooting steps do not 'fix' etc

Reboot and/or exit T'bird and restart shows no change

Last update Log : Linux Mint Cinnamon 22.1:

2025-06-28 10:28:15+1000: sUsingService=false 2025-06-28 10:28:15+1000: sUpdateSilently=false 2025-06-28 10:28:15+1000: isElevated=false 2025-06-28 10:28:15+1000: gInvocation=UpdaterInvocation::First 2025-06-28 10:28:15+1000: Writing status to file: applying 2025-06-28 10:28:15+1000: Performing a replace request 2025-06-28 10:28:15+1000: PATCH DIRECTORY /home/brian/thunderbird -beta/updates/0 2025-06-28 10:28:15+1000: INSTALLATION DIRECTORY /home/brian/thunderbird -beta 2025-06-28 10:28:15+1000: WORKING DIRECTORY /home/brian/thunderbird -beta/updated 2025-06-28 10:28:15+1000: Begin moving destDir (/home/brian/thunderbird -beta) to tmpDir (/home/brian/thunderbird -beta.bak) 2025-06-28 10:28:15+1000: rename_file: proceeding to rename the directory 2025-06-28 10:28:15+1000: Begin moving newDir (/home/brian/thunderbird -beta.bak/updated) to destDir (/home/brian/thunderbird -beta) 2025-06-28 10:28:15+1000: rename_file: proceeding to rename the directory 2025-06-28 10:28:15+1000: Now, remove the tmpDir 2025-06-28 10:28:15+1000: succeeded 2025-06-28 10:28:15+1000: Writing status to file: succeeded

2025-06-28 10:28:15+1000: calling QuitProgressUI 2025-06-28 10:28:15+1000: Running LaunchCallbackAndPostProcessApps

Brian

Is there any way to find out if a point release is coming? In other words, I'm running 142.0.1. I'd like to know if a 142.0.2 is going to be released. Not necessarily when, but just if one is in the works and will be released at some point.

Thanks.

Hi, can someone please to me how to turn off automatic updates on Firefox Version 140.0 (64-bit)? Firefox's own support page, "https://support.mozilla.org/en-US/kb/firefox-options-preferences-and-settings?as=u&utm_source=inproduct", is incorrect. It states that, "Firefox Updates Here you can check your update history or change update settings for Firefox.", but you can not change the update setting, (see attachment).

It is really annoying it updates while you are using it, ruining your experience as you can no longer refresh tabs or open new ones forcing you to restart it.

Thunderbird kept crashing, so I tried reinstalling. When I did, I was told to agree to an upgrade. I did. But now, it can't configure my account, and I've lost everything. Using a Windows 11 PC desktop. Everything was working fine until a couple of days ago when trying to send messages ended up crashing Thunderbird if I used the enter key.

Hallo und guten Tag, auf meinem Desktop habe ich seit einigen Tagen einen neuen Ordner mit der Bezeichnung - Alte Firefox-Daten - . Ich kann den Ordner leider nicht löschen. Alle Versuche sind bisher gescheitert.

Habe Mozilla Firefox schon 2-mal deinstalliert etc. Der besagte Ordner lässt sich trotzdem nicht löschen.

Angeblich wegen fehlender Berechtigung. Was kann ich machen?

Mit freundlichen Grüßen

Hermann Wieschebrock

The TB Solutions only provide information for a tar "bz2" file. I downloaded a "xz" file (thunderbird-140.0.tar.xz), how do I install this?

Thanks for any help or solution.

I wish to update my current version of 128.12.0esr within my Ubuntu 24.04.2 LTS OS.

Since the Sequoia install on my Mac I have had many issues. Most of them involve getting logged in to sites I use frequently. Yesterday and today I was unable to load the most recent firefox update and then the most recent thunderbird update. The wheel keeps spinning but nothing actually happens.

I have been having using Thunderbird as my email package for over 10 years and lately have been having issues. I was looking to cleanup the install (version 140.5 esr) and noticed an older version of the app still exist on the computer (version 68.4). will deleting this version have any implications. This computer was originally Windows 10 but has been upgraded to Windows 11 when the problems seemed to start appearing.

bold textH Have been unable to reactivate my Thunderbird email system! Please help me reactivate it.

Thank you.

Carl Bongaerts Tel: [edited from public support forum] email: [edited] @tissim.com

re: AI and copilot

Both the above have recently appeared on my old Dell Optiplex Desktop and are causing glitches and other problems (slowing down and sluggich performance). For instance, on my Google Search page, my contact list is being blocked by a panel connected with this new installation, and is losing me access to my Contacts. How can I solve this problem, please.

If possible, I would like this programme removed from my compure