Thunderbird 115.10.1 incredibly slow
Ever since I upgraded to 115.10.1 (from a much earlier version, which worked well), Thunderbird is randomly very slow.
First off, at opening time, it takes ages (over a minute) to download some incoming (small) messages - while this was definitely not the case with the previous version I was running. Sometimes, it hangs (for anywhere from 15 to 60 seconds) while I am typing a message.
Also, e.g. today, I tried to send an email (250 KB or so): it just kept on saying "sending". When I clicked (after a few minutes) to stop the sending, the window closed without further ado and I couldn't find the message anywhere (not in the Drafts, not in the Sent). I did it again, it then hung on copying the message to the "sent" folder. When it finally said it failed, and asked if I wanted to have it copied to a local folder, I clicked "yes". Upon checking, it had stored it in the "sent" messages, not locally...
I am running Windows 10 Pro, with ample memory and disk space, and a fiber optics connection. The CPU is not overloaded at all nor any other ressource.
It is becoming increasingly annoying.
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Thank you for your answer.
I was somewhat hesitant to try your suggestion, and waited a bit. Surprisingly; the problem disappeared, and now Thunderbird runs correctly.
The only thing that had happened: Malwarebytes (my antivirus) showed that my subscription had elapsed, while I have a life-long one. So after exchanges with their support, I managed to reconnect Malwarebytes to my account, and so reactivate it correctly.
Was it its dysfuction which impeded Thunderbird? No idea.
But thanks anyway, I'll keep in mind the procedure you suggest, just in case.
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- Start Windows in safe mode with networking enabled - https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode
- Still In Windows safe mode, start Thunderbird in Troubleshoot Mode - https://support.mozilla.org/en-US/kb/troubleshoot-mode-thunderbird
Does problem go away?
- If no, then cause is either: bug in Thunderbird, a setting, file or folder (something) in your Thunderbird profile, your mail provider. Please attach to the bug report or support topic a file created from Help | Troubleshooting | copy text to clipboard
- If yes, the problem is gone, then (still in Windows safe mode) ... start Thunderbird normally -- If problem is still gone, then cause is likely a program loaded during windows startup. Possibilities include: antivirus software (AV), virus/malware, background downloads such as Windows or other program updates, to name a few. -- If problem came back, then cause is likely a Thunderbird add-on - eliminate them by disabling add-ons one at a time in Tools | add-ons | extensions
Valgt løsning
Thank you for your answer.
I was somewhat hesitant to try your suggestion, and waited a bit. Surprisingly; the problem disappeared, and now Thunderbird runs correctly.
The only thing that had happened: Malwarebytes (my antivirus) showed that my subscription had elapsed, while I have a life-long one. So after exchanges with their support, I managed to reconnect Malwarebytes to my account, and so reactivate it correctly.
Was it its dysfuction which impeded Thunderbird? No idea.
But thanks anyway, I'll keep in mind the procedure you suggest, just in case.
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