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So if you've got Firefox remembering your credentials for passwords, and you know where that password file is located, how exactly do you change those credentials if you entered them incorrectly and Firefox doesn't re-prompt you for it... ? The credentials look encrypted.

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up vote 9 down vote accepted

Tools -> Options -> Security -> Saved Passwords.

You can change them there.

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Actually, you can delete them there and then re-enter, as barraponto already said. – Martin Nov 19 '09 at 13:51
And the option to prompt to have the new passwords remembered is also under the security section. – Liam Jul 26 '11 at 14:03
@Martin you may want to check the date between our answers... – John T Jul 26 '11 at 14:53

you can delete them, then re-enter.

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This is really a comment, not an answer to the question. Please use "add comment" to leave feedback for the author. – HackToHell Aug 11 '12 at 6:22

You can do at JonT and barrponto said, or you can usually clear the recent history, cache, active logins and cookies, log into the site in question and when you login, you'll be prompted to change update your information for that site.

It happens to me switching between my Gmail and Google apps all the times. It always wants me to update my info after the cookie expires or I clear it and login with the other account, but it works for a single account if you clear the info.

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