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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

I have 8 email accounts. Four of them use my service provider; "@Bell.net", and four of them are gmail accounts. When I open my Thunderbird app two things happen. A Google web page opens asking "Mozilla Thunderbird Email wants access to your Google Account". with a reference to one of my gmail addresses. This web page opens when I shut down Thunderbird as well. Secondly, Thunderbird asks me for the passwords for each of my four Bell accounts. I have tried everything suggested, deleting passwords, deleting profile files, you name it. I've been at this on 4 separate occasions, with this last one lasting 2+ hours. I'm at a complete loss. When I suggest deleting Thunderbird and reloading it, I'm told that may not fix the problem because it would still reference potentially corrupted files. Please help!

I moved, tried to get old wireless printer going. Had driver issues. Gave up bought newer printer. Somewhere in there Firefox or Windows updated. Wiped out all my passwords. I have gone and started putting passwords back in. Firefox says it's saving them, but it's not. I also had just connected firefox to my cell. I tried a history recover, which doesn't seems to work either. I have to go to Explorer to get into Ancestry account and now can't get into my Family Tree account. I'm so confused. My HP laptop is only 3 or 4 yrs old. and nothing is reading as a virus or bug. Any suggestions. I'm about to cry with all the information on here. I have backed up on external drive, but not sure that is going to work. HELP

I have 8 TB emails. Every morning when I open email, all passwords need to be re-entered, sometimes 2-3 times a day. I have done everything YouTube has suggested and looked for similar issues and fixes on the forum, including creating an initial PW to open the main TB email account. No success yet! I have a PC; if that helps answer the question. I also recently downloaded an update, which did not fix it. Any suggestions would be appreciated. Thanks in advance! Carl

I have 10 email accounts I have to monitor. When I set up Thunderbird on Windows, I entered all the account info and the passwords. I checked the box 'use password manager'. This worked well for a few days. After several days, I started the app again and it asked for every password again. I entered all the passwords again. This happened several more times. I sought help for the bug, but found none. Someone suggested deleting password database files in the Thunderbird data folders. This did not help. Someone else suggested that CCleaner may be deleting password data files, so I added the entire Thunderbird data folder to the scanner exclusion list. Yes, this may be a security risk, but I need this app to work, as I have not found any other app that even begins to get the job done. Ready to start looking for another email app now, unless someone can fix this problem. It is not reasonable to expect me to lookup and restore 10 passwords every time I check my mail.

After moving the data file to a new windows 11 machine, the Password Vault no longer remembers passwords. How do I fix? Online searches have told me to delete several files in the Profile folder. I have done this several times w/o success. What are my options other than to find another email client? Thanks, Hank

After the latest update to Firefox (154.0.1) on Linux Mint, I discovered that ALL my passwords have been deleted. I recreated them and the next day they were missing again. I've been a faithful Firefox user since its early days. It was a good run but this is unacceptable and I'm going to delete FF and move to another browser. Too bad because I did like FF.

Once again after Firefox update it don't save my email address or password for Royal Caribbean website. It used to but not now again. Chrome does save both of them. I have tried everything even all what AI tells me to try. Nothing works. This is about the 3rd time this has done this on Firefox. Thank You.. I have Windows 11.

I've been using Thunderbird on our pc for decades, but it I believe the last software update has corrupted the "Password Manager". Since then, almost every time I attempt to log in, I receive the message about my password is incorrect, even though I have changed and checked the box that states something like "use Password Manager" for it. This is naturally "driving me crazy". Is there going to be a fix or is it just my problem? Thank you!

I've safely saved many, many passwords in Firefox for a long time. Then one fine day a month or so ago, I found out that ALL of my passwords had been wiped out! Ever since then, I started saving my passwords in a .csv file and then uploaded the file to the Passwords page. The passwords keep getting wiped out anyway. I can't find a way to stop this from happening.

Yesterday had a problem returning to home screen from last website I visited. Was unable delete or restart without it returning to last website again. With HP help located the problem that website had been stored on Firefox account settings. It removed and was able to return to normal navigation. Today 8/21 problem has again returned and was unable to access Firefox account and found out all passwords have been deleted.

Witam. Mam problem z hasłem. Za każdym razem kiedy wysyłam email thunderbird żąda wpisania hasła informując, że takie nie zostało odnalezione. Po wpisaniu wiadomość zostaje wysłana ale przy następnym wysyłaniu historia się powtarza. W menadżerze jest zapisane hasło, ale thunderbird nie odczytuje go. Nie pomogły żadne usuwania i restarty. Proszę o pomoc.

Hello! Firefox for Android is not prompting to save my logins and passwords when I sign in to websites. Here is what I have already checked: "Save logins and passwords" is set to "Ask to save" in Settings. I am NOT using Private Tabs / Private Browsing mode. Could you please help me resolve this issue? My device:Realme 14 5G(Android 16) Thank you!

Greetings, I must say I'm perplexed and dumfounded with my problem. Without rhyme or reason, when I check my email throughout the day I will notice that the email has not synced for a period of time. I then go to check my settings, in particular, the fetching email setting and the sending email setting, and when I test them to determine that they are working I get the screen that explains there is a problem with syncing. I then look at the passwords and they appear to be old passwords that are no longer used nor valid. I delete the old passwords, input the current and valid passwords and then test the connection and synchronization and they rapidly sync without any errors. I have 4 emails registered in my Thunderbird account and it happens randomly to all 4of the emails. I feel like I'm in the Twilight Zone. Needless to say, I spend a bit of time continually having to go to settings, delete the old password, enter the new one, and then everyone good. At least for a short while. I'm not sure if I stumped you guys with this one, or, hopefully, someone else has experienced the same thing. Duplicity if this problem excited me, not because the problem exists, but because sometime else has experienced the same thing and I would feel at ease knowing that I am not going insane. I hope you guys can help me with this. Please let me know whatever steps you think I should take to start sleuthing for a solution. My fingers are crossed. Also, I would like to extend many thanks and my gratitude for the tireless effort you all contribute selflessly to the support and maintenance of a wonderful app, and the continual persistence of if the project for all these years. Oh I almost forgot to mention that I saw a link for the opportunity to use/test the Beta Version, but suddenly I am unsure a to whether I should proceed with setting the beta up. I'm not sure if it will complicate the potential for a solution to my problem, or if the Beta App is completely separate and isolated from the Current stable release. If you have a chance, let me know how I should handle the Beta install. A simple STOP! Do not install, or it's okay, carry on. Have a great day! Gregory Gonzalez. greg@uglytexan.com

bonjour à vous utilisateur de thunderbird depuis des années, il fonctionne très bien (j'ai la dernière version : Version 153.0.2esr | Publiée le 4 août 2026

- par contre, il me demande les mots de passe à chaque connexion depuis deux jours - j'ai supprimer le fichier key4 mais lorsque je relance rien ne change ; il demande les mots de passe de tous les comptes.

Auriez vous une solution ? merci beaucoup