Your five crash reports point to an incompatibility with your current version of Trusteer Rapport, which is recommended or required by some financial institutions. Can you check for updates? If you are browsing generally and not doing any banking today, you also could try disabling it for the time being. You might also want to contact Trusteer support. You can find a contact link in this FAQ: https://trusteer.secure.force.com/PKB/articles/en_US/FAQ/browser-crashes