I found the crash file for the the first incident. Let me know if this is of help to you.
** Attachment added: "crash file" http://librarian.launchpad.net/5933093/_usr_lib_firefox_firefox-bin.1000.crash -- would not play SOME firefox embeded quicktime movies https://launchpad.net/bugs/81832 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
