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Twice in the last fortnight Thunderbird has lost all email passwords - the Tools/Settings/Privacy and security/Saved passwords just leads to a blank box where the passwords usually are. Thunderbird will no longer collect email and keeps asking for passwords for email accounts. This happens even when the option to 'save password' has been selected. I think this is probably happening at the point when the PC is rebooted. Thunderbird version 153.1.1esr (64 bit) and Windows 10. Using System Restore has not resulted in recovery of passwords. Several different email accounts/email providers are involved - outlook.com, tiscali.co.uk and zohomail.eu. Broadband provider is Zen.

I notice that the Appdata/Roaming/Thunderbird/Profiles/w2anb37y.default folder contains a number of files named with such names as 'logins.json-8.CORRUPT' - with 'Date Modified' being mostly either 17th August or today 31st August - so it might look as though password data is becoming corrupted.

Can you assist?

James

mozillla or thunderbird is changing an email password blocking my access to send email from account it will not accept the password i set for account, in saved passwords it has a huge password stored that i did not set ,,also that password is not accepted it was hard enough to get that email set up on a w10 pc and a w11 laptop, this problem started when i allowed an update to t-bird, further updates have not helped on update 115.10.1, it want to update again, i have use mozilla and t-bird for 30+ yrs and the problems keep getting worse not better and has become almost user unfriendly. to add an email, should require 1)user name,, 2) email address, 3)password. thats it , it shouldnt require a IT degree to set up the rest

hi, snap thunderbird 155.0-1 ubuntu 24.04 keeps asking for passwords of all email accounts after upgrading thunderbird. all passwords are correct and they were not changed. the issue started today after thunderbird was upgraded to 155.0-1. this new version seems to have touched on oauth: https://www.thunderbird.net/en-US/thunderbird/155.0/releasenotes/

What’s New

- S/MIME popup shows signature, digest, encryption algorithms and key sizes

- Default address book for manually added contacts configurable with mail.addr_book.add_item_default_uri

- Enterprise policy DisableQRExport can disable QR export

- OAuth add-ons can override built-in settings for selected domains and hostnames

- Manual account config streamlined with Exchange, Graph, and custom OAuth support

- Custom OAuth support for IMAP and SMTP servers

- PKCE and external browser fields added to custom OAuth settings

- Enterprise policy DisableExperimentalFeatures for disabling experimental features

any idea how to fix this? thanks

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