Software security password required to enter your E-mail address

I have 2 separate computers. One works fine with Thunderbird and Firefox Messaging.
The other go back constantly with a blue square of password required.
Inside the square, he said: Please enter the password for the software security device.
Then a square OK and Cancel square.
It crashes me get my email on this computer.

I can't find a solution for this.

I have not tried to uninstall Thunderbird and start again.

Thanks for your help,


The password protects any password account that you told Thunderbird to remember.
Since you get the master password prompt, obviously set you a master password at one point.
More information in this article.

It is possible to reset the password, which would also be possible to erase your account passwords.

Tags: Thunderbird

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