User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:188.8.131.52) Gecko/20100401 Ubuntu/9.10 (karmic) Firefox/3.5.9 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:184.108.40.206) Gecko/20100317 Lightning/1.0b1 Thunderbird/3.0.4 - Build ID: 20100317100855 Thunderbird has started showing the "Add Security Exception" window and I'm not able to stop it, even if I use the "Cancel" button. (Actually, I've tried it 30times - probably - and the window disappeared). It's really annoying as one is not able to do whatever else as that window is modal ... Reproducible: Always Steps to Reproduce: Not able to reproduce it. Actual Results: The application is unusable. Expected Results: When I use the "Cancel" button I'll be able at least to close Thunderbird. It's happened on my imap e-mail account.
Have you added the security exception ?
I've tried it several times (see the picture attached), then I've begun trying to "Cancel" it.
Created attachment 454004 [details] an "Add Security Exception" window after a couple of "Confirmation Security Exception"'s
This error is not a duplicate of 528922. Or doesn't look like it is. Here is my addition: Today the certificate expired on my mail server. TB showed this window: Add Security Exception. My TB download mails with 1 minute period. This mixture of settings caused that this window (after pushing the Cancel button) pops up again and again. I put some heavy on my ESC button, went for coffee... When I was back, the constantly popping window disappeared. But then again, after a minute, it popped again. It will be helpful if TB won't show EVERY uncertified download attempt's window after closing the one that's opened. If I wait for 5 minutes, and I add an exception, the windows pop 4 times, then popping stops. This is TB 3.1.7 on a WinXP 32bit OS.
I've been having the same problem since I switched to TB 3. I simply deleted the existing exception in the Servers certificates. Popup seems to have stopped, at least for the last few times I restarted TB.
Never mind, the confirmation dialog just reappeared today. At least I had a day without this popup. Perhaps the problem is that my imap mail server name is an alias to some internal machine: e.g. mail.mydomain.com -> machine.servers.intranet.mydomain.com... I'll try changing the server name to the actual machine name and see if this comes back.
Ok. This seems to have fixed the problem for me for now. At least I haven't seen any popup since yesterday...