User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9b4) Gecko/2008030714 Firefox/3.0b4 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9b4) Gecko/2008030714 Firefox/3.0b4 When FireFox try to connect to the internet and the access is granted by a proxy, the password manager request the user credentials several times like 5 or 6, and theres no any checkbox to save the password to help firefox to remember the user credentials. Reproducible: Always Steps to Reproduce: 1. Install FireFox 3 beta 3 or 4 2. Lunch the FireFox application
If you use session restore or if it's executed automatically after a crash, then it's bug 339804. The reason is that all pages are loaded simultaneously.
339804 is close enough, all of these "multiple authentication prompts" stem from the same common design flaw.