1) Your crash ID shows you are running version 7. You should update to Firefox 8.0.1 at http://www.mozilla.org/en-US/firefox/new/ 2) https://crash-stats.mozilla.com/report/index/faaf3c7c-a2e5-4fef-81e1-01f492111216 Firefox 7.0 Crash Report [@ mozcomp.dll@0xadb6 ] https://bugzilla.mozilla.org/show_bug.cgi?id=680927 Remove your Single Sign On (SSO) utility and you should be good to go (see the bug report for additional options)