User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.7) Gecko/20040514 Build Identifier: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.7RC2) Gecko/20040514 I had not yet entered my master password during the current session. On the menu bar, I selected Tools>Password Manager>Manage Stored Passwords. The popup to enter the master password appeared. I changed my mind, and selected the Cancel button. The popup flickered but did not close. Repeated selections of the Cancel button failed to close the popup. I can get the same problem by selecting Edit>Preferences>Privacy & Security>Passwords and the selecting the Manage Stored Passwords button. Reproducible: Always Steps to Reproduce: Expected Results: The popup should have closed, and my request for Manage Stored Passwords cancelled.

Isn't this a duplicate of bug 237610?

Yes, I agree it's a duplicate. *** This bug has been marked as a duplicate of 237610 ***