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I started getting error messages to say that my account was rejected at the server, This happened on all my email accounts. I obviously checked that the configuration of the accounts was correct although they had been working previously. I removed my VPN and Firewall, removed the app and deleted residual data and then re-installed. I still have the same/similar problem, when i try to add an account i get a message saying "Unable to login to Server, probably the wrong configuration, username or password" All of which have been checked multiple times.

My Thunderbird updated to Version 128.6.1esr. Now my Lightning calendar will not display. Toolbar View Calendar is grayed out. Lightning does not display in the list of add ons or extensions.

Attempting this does not result in a context menu value of Reset:

This may happen if the update of the add-on is stuck. Don't worry about your calendar data, it is left untouched and will be available again if you follow these steps to restore Lightning:

   Go to the Advanced section of Thunderbird Settings and click on Config Editor...
   Copy or start typing extensions.installedDistroAddon.{e2fda1a4-762b-4020-b5ad-a41df1933103} into the search box
   When extensions.installedDistroAddon... is listed in the preferences list, right-click on it and choose Reset from the context menu - the preference now isn't bold anymore and its value is empty.

Mike

There must have been an update for Thunderbird that screwed up the way I have been using Thunderbird for years now. I had sub folders under inbox. For example, I had an investment newsletter go into a sub folder under inbox labelled "inv". I had a filter set up to move emails that had the name of the newsletter in the title to go to that "inv" folder. In this new version of Thunderbird, those separate sub folders are gone. The filters are still there but the folders are gone. Now all emails just go into the inbox. Is there a way to roll back to a previous version?

TIA Eric

Clearly your crappy browser system won't stop crashing my tabs with its stupid updates randomly out of no where while I'm in the middle of working on something. I can't even report bugs in games anymore because I go to pastebin to post a crash log, and firefox decides to say 'RESTART FIREFOX TO CONTINUE USING' for no reason. I am very angry, this happens so often its ridiculous. I have updates set to "check and choose" and yet your browser keeps crashing all tabs all windows telling me to restart to continue using, and only today did I realize it said it was related to an update. This is unacceptable behavior. This browser is becoming unbearable. Crashing/updating in the middle of my work is very bad, and this is getting old. Obviously this time it was an unwarranted update, who knows if my browser has even been crashing at all. Just keeps getting disabled for your forced updates. I need them disabled, NOW. I choose when to update. NOT YOU.

So I just noticed after downloading the new update to Firefox, version 139.0.1 that something new came up in my task manager called Crashhelper. Never seen this before. Closed it down and it seemed to have no issues shutting down at least. I haven't had Firefox crash in recent months, so I'm assuming that this cropping up might be a glitch of some kind? I looked this up to see if anyone else had this issue, and it seems someone on Reddit did encounter this, on Linux, and another on Windows also seems to have run into it. How do we stop this from coming up whenever we start up the browser?

Brand new to Thunderbird. Trying to import my outlook calendar file that I have saved in .ics format. There is a calendar display in my Thunderbird, but the import option for calendar is not active. I don't know if I already have Lightning or how to add it if I don't. Help?

Hi. Just got a message to change from ESR to Release Can I stay with ESR or must I change over to Release. Will ESR fall away or can I jts keep on using it

Kind Regards Esme

Hi,

I would like to install Thunderbird in current version (135.0.1) via flatpak. My OS is Ubuntu 24.04.2.

Currently, I have installed Thunderbird version 128.7.1esr via flatpak. I was not able to change the branch from stable to release. Can you give me some advice?

Cheers,

Kai

Hello:

When I signed into my computer this morning, a pop-up asked me if I wanted Firefox to update. I let it do that, and then a pop-up came up letting choose among some photos and art for a desktop background. It even let me upload a photo of mine. I chose one of yours, now I can't change to any other photo I have on my computer. Please help.

Thank you,

Cynthia M.

You have invited me to download a new version of Firefox.

So What do I do with my existing Firefox?

If I don't like it, can I go back?

Please let me know.

John Parrott

Dear Team, I was asked to start an upload in Firefox. I tried that. I get the message 'Couldn't load XPCOM' What do I have to do to restart Firefox? It's urgently needed for account verification! Could this possibly be due to a lack of capacity? I currently have 371 MB of 111 KB available. I ask you to help me quickly - thank you very much.

Regards, Karin Gähler Phone +49 [phone number removed]

A recent Thunderbird update (auto update) must've been interrupted, because I keep getting a "Reboot your computer to complete the update" message. I have rebooted many times with no change. I tried to uninstall Thunderbird, but get the same message. I also tried to reinstall it, but no change. The Thunderbird icon has also changed to a computer with a disk in the front. Any ideas??

problem will have one forever until you stop claiming new update no not adding new stupid things like weather

you just know we will find make add on or about config find how to remove disable your new crappy no good wasted effort weather you added all your new adding that ill just turn every update ability off in firefox not trust you will be posting these claims your updates not real junk way to add stupid things not needed waste effort ever make it let me be in charge there for one day ill fire every firefox builder had any part of making claim update really just adds junk just know ill check for firefox updates every 6 months otherwise be turned off you not trustworthy these actions may lose millions of firefox users may go different keep playing about updates update make browser go up in level not add new stuff like weather that unneeded unwanted waste of time to make it why make something added to new update let those things be if someone wants a addon for weather

I recently installed Thunderbird on a new installation of Ubuntu 24.04 using the "Installing Thunderbird manually" instructions. Everything works fine except that Thunderbird doesn't want to use the Thunderbird icon in the dock. Thunderbird opens and runs fine when I click on the Thunderbird icon, but it then puts a new default icon on the dock that looks like a gear instead of just "using" the Thunderbird icon to indicate that the application is running. I've attached a screenshot. When I close Thunderbird, the gear icon disappears.

I installed Thunderbird v128.2.0esr to a new laptop and cannot find the table view/card view icon for configuring the message list and its columns. There is no longer any icon next to the quick filter bar, it seems to be gone in this version.