User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9b3) Gecko/2008020514 Firefox/3.0b3 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9b3) Gecko/2008020514 Firefox/3.0b3 I have multiple profiles (three) and set FF to show the profile selection screen when starting up. FF is set as default browser. If I click on a link in another application (e.g. Thunderbird), FF3 beta3 doesn't start. A firefox.exe process appears in taskmanager's process list but no window is shown. Reproducible: Always Steps to Reproduce: 1. Create a second profile 2. Uncheck the "Don't ask at startup" (don't know the correct English name, using a German version) in the profile manager 3. Start FF and close it again 4. Click on a link in another application or try to open a local html.file from Windows explorer Actual Results: firefox.exe appears in the process list, hovers around 9 mb memory usage but no application window appears. Expected Results: the profile selection window should appear Windows XP Pro Intel Core 2 Duo default theme flashblock and adblock plus add ons

Hi, seems to be a dupl of Bug 395891