Forum communautaire Thunderbird

Thunderbird is not synchronizing with Mailfence. My other email accounts (Outlook, Gmail) work fine. TB connects to them, downloads message headers and displays the number of messages correctly. With Mailfence, the messages stop at "connected to imap.mailfence.com" and stalls there. The message disappears after a few seconds and nothing else happens. This happened this morning when I first launched TB. I then got an update to 128.11.1. No change. I did receive the Windows Update 2025-06 Cumulative Update sometime overnight prior to launching TB.

Hello,

Scrolling vertically with mouse-wheel in Thunderbird is uneven and unstable, while scrolling in Firefox* is perfect. (*or any other program) What could be wrong?

Thanks, Mark

Thunderbird 138/139, Windows 11 Pro 23H2. While composing a message, after a few lines the app freezes. Both the compose window and the main TB window freeze. Only opening the Windows Task manager allows me to close them. This did not happen with earlier versions.

If I save the message every few seconds while composing I can get most of the message back and continue after restarting TB. This behavior is the same in both the normal and troubleshooting TB modes. I can't even find a crash log to send to Mozilla.

Where shall I look next?

Thank you!

Version 128.11.0esr (64-bit) Tbird won't download emails from server. I get a bunch of status messages at the bottom left of the screen: looking up server, connecting, checking server capabilities, etc, then everything just stops. No downloads. If I access this account via webmail, there *are* emails there that Tbird just won't download. No error messages of any kind, just those status messages in that bar along the bottom of the window. All appears well... but no messages.

On the sending sider, I can't send anything from the account either (image attached.) So there appears to be both a connection error (sending) and NO connection error (receiving.) Got me chasing my own tail in circles - - tried a couple of different email apps and they're all working as they should, same settings, both send and receive. I've never used anything other than Thunderbird and REALLY don't want to change, but if it isn't working, looks like I'll have to, like it or not. Any ideas gratefully received!

I switched from ESR to Release yesterday morning, and everything was fine for the rest of that day. But today, about 4 hours after opening Thunderbird, I've started getting login failure messages for my secondary email address. The popup says: "Login to account "maggie.jacobs@sonic.net" failed. Login to server pop.sonic.net with user name maggie.jacobs failed." I have retried multiple times but keep getting this message.

Release is set to check for messages every 10 minutes. I did not make any changes from ESR, and did not get login failure messages yesterday. I also didn't receive any emails for that address; as I said, this is a secondary address not used often. Connection security on this account is STARTTLS, unlike my primary account which is SSL/TLS. Authentication method is Normal password.

Because this started happening 24 hours after I installed Release, I suspect there has been an update to Release this morning which has caused a misconfiguration. Does anybody have any idea what is happening and how I can fix it? I will get your email responses, as they will come to my primary account which is still functioning.

I am using 64bit Windows 11 Home. This happened suddenly without any changes on my part that I know of.

Thunderbird suddenly started freezeing right after startup. The only thing I can do is login with the master password then the regular thunderbird screen opens, but I cannot click on anything. Soon after the screen is greyed out. However I can close the program down with the red "x" in the top right corner. It opens a dialog that gives me the opens to close down or wait to respond. The close option works.

The only hint I can see from the frozen screen is that the local Folder seems to have a problem as a subfolder has now multiple copies of itself. It seems to create a new copy of that subfolder every time I try to start the program.

So far I tried reinstalling/updating TB, as I assumed an update had maybe malfunctioned, (it was stuck on version 128, since I could not open TB for about a week now) but upgrading to to version 138 did not help. I also tried starting TB in troubleshoot mode, which made no difference I also tried starting TB while windows was in safe mode, which made no difference.

I read around but people that have problems with TB freezing seem to not have the freeze happen before they can do anything.

I assume something is wrong in my profile, maybe the local folder? But I have no idea to fix anything, since I cannot do anything at all in TB.

Any help would be appreciated! Thanks!

Folks, If the power to my PC fails whilst I am reading a Newsgroup, the list of subscribed newsgroups for that news server is lost. This doesn't happen very often but its a pain when it does. Dave