Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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My passwords

nmonster

My saved passwords all disappeared! What is going on??

My saved passwords all disappeared! What is going on??

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So when you go into Lockwise, is it blank? see screenshot

Are you using any password add-ons or program?

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

Did you lose other data ?

Firefox 80+ has a logins-backup.json file in the profile folder that can be used in case of issues with logins.json.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.