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I have Thunderbird Version 140.8.1esr | Released March 10, 2026 on windows 11. The problem started 2 days ago when I couldn't receive emails on desk top or the iPhone. I looked on the web to see why I wasn't getting mail on my @yahoo.com mail. The web showed that yahoo had trouble in the eastern US. Not knowing what to do I deleted the email on my iPhone and tried to reinstall it, but couldn't. I didn't have the email password. (The one I had saved wasn't accepted.) I don't know how I got email back on the desk top, but it is working now. I think if I can change the email password on the desk top I can then reinstall it on the iPhone. On another computer on the same WiFi which has a g-mail address also using Thunderbird there was no problem getting mail.

I got a new desktop computer and can't access firefox. My existing account is still under my old email ([edited] @q.com) and has been decommisioned. My new email is [edited] @myctl.net. I cannot sign in because I forgot my password for q.com which no longer exists, so I can't receive an email to change password. I am at a loss how to fix this... Can you help me please. I had sent you my new email back a few months ago so I thought it had been changed to myctl.net but it is not. help please, I am so frustrated. thx for your help

In trying to launch Thunderbird, I am now for the first time being asked for my primary Thunderbird password. I do not remember setting this up and I have no record of this. How do I reset this password so that I can open thunderbird? I have been using Thunderbird for several years now and have never previously been asked for a primary password.

My computer recently crashed, and I've only been able to partly restore it. One of the casualties seems to be access to Thunderbird (although I've just accessed this help page with the password that doesn't work with the App).