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While updating Thunderbird on macos 15.3.2 Thunderbird started requesting Admin login info to install a helper tool. Appears to be in some kind of loop as the install helper window goes away but Thunderbird never launches again so I launch Thuderbird and once again the install helper window appears.

My desktop icon disappeared and so did my ability to acquire my e-mails. Tried re-installation but this failed with message, "Unable to log in at server. Probably wrong configuration, username or password.

Postbox having been sold to eM Client, I need to migrate to Thunderbird. Import worked pretty well using the protocol "migrating from a previous Thunderbird installation" however the filters did not import at all. It happens that I have 320 of them, so it would be a great help if some automatic procedure could be implemented. Is this possible? Thanks in advance. Regards, Gérald

Thunderbird freezes/hangs on restart (mac OS 15.4), including in safe mode. I've updated to 137.0.2 from 129 and the same problem occurs. It only displays "Looking up gmail.com" and I get the spinning disk of doom and have to do a force quit…

Due to the Firefox was always uninstalled automatically from my laptop and workstation, I installed in a specific folder c:\Users\xxx\Mozilla Firefox\ instead of the default folder c:\Program Files\Mozilla\ - it worked well and was not uninstalled automatically again. But the Firefox updates will not be installed in the same folder, and there will be two Firefox listed in Windows Apps list - different revisions. I am wondering if this is a bug and what I should do to have the updates installed in the same folder? thank you.

I have had Thunderbird for several years. For some reason, it got to where Thunderbird wouldn't allow me to send out emails. It would retrieve them, but I couldn't send out. I tried fixing it to the the limit of my knowledge of these matters - and I could have made things worse - but nothing worked. Finally, I deleted what I thought was the entire Thunderbird program and downloaded new / reinstalled. Unfortunately, I still have the same issue. Any advice? Thanks.

I am 92 years old and find it impossible to use your products because you keep changing the interface between the software and me. Please give me the option of changing the interface or continue to use the old. All that is needed is when you offer an update to your apps give me. and others, a button that will take us back to the previous interface. Better still, allow the user to move the various buttons around the screen to suit their needs. So far this year, you have made it so difficult for me to use your product because when I have learnt to use the new layout, you changed it again. Who ever designs the personal interface does not realise how we, the users, actually use your product. We are all different. Do not tell me it can't be done, I was designing and programing computers in 1964. I know what is possible and what is not. I am seriously considering changing to another provider. Owen Bartrop

Firefox on mobile keeps on resetting the homepage, I customise the homepage and edit some items like the shortcuts and bookmarks etc, but after a couple of hours it resets back to how it was, as seen in the screenshots attached, it even resets the shortcuts. When I'm in another app and click on a link which will open Firefox, it then shows the get started screen.

I am signed in to Firefox, I have un-installed and reinstalled, wiped data, wiped cache, but the problem keeps on happening, it happens multiple times a day.

Any ideas what I can do to fix this?

Every now and then, Firefox downgrades itself to version 121. In order to change it back, i have to update it to 127.0, and then to 137.0.1. After doing so, a couple hours will pass before tabs stop loading, and i have to close Firefox and open it again, for another error to show saying i was using an older version, and i need to update. this sends it back to version 121. The errors i get, I've attached !! There's also a troubleshoot data thing, not sure how that works though.