The crashes are from version 9. We are currently on version 21. Please go to getfirefox.com to get the latest version in order to assist you better.

Create a new profile as a test to check if your current profile is causing the problems. See "Creating a profile": *https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles *http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues If the new profile works then you can transfer some files from an existing profile to the new profile, but be careful not to copy corrupted files. *http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox See: *http://kb.mozillazine.org/Firefox_crashes *https://support.mozilla.org/kb/Firefox+crashes