Better having Firefox crash, than the airplane you want to make a reservation for your travel, I guess. https://support.mozilla.com/en-US/kb/Firefox+crashes#Getting_help_with_your_crash Type '''about:crashes''' in the URL bar and hit Enter. <br /> Click the hyperlinks to bring up the Crash Report pages and copy'n'paste the URL of each of those reports into the message box here. We'll see if we can help you figure out what is causing those crashes to happen.