User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9b4) Gecko/2008030714 Firefox/3.0b4 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9b4) Gecko/2008030714 Firefox/3.0b4 When clicking on random messages within my yahoo mail inbox, Firefox suddenly crashes. When restarted using previous session settings, the back/forward icon on the main toolbar is missing. Reproducible: Sometimes Steps to Reproduce: 1. 2. 3. Actual Results: As described above. Expected Results: Should not crash and should maintain toolbar settings, yes?
Build config ? Did you compile Firefox yourself and the you had problems compiling the source-code ? Please read https://bugzilla.mozilla.org/describecomponents.cgi?product=Firefox for selecting a better component. And please also search before filing bug reports, it's well known and reported multible times that FF3b4 crashes on yahoo, it's fixed in the nightlys