could you start firefox from a terminal and include the console output when firefox freezes
do you have anything in the /var/crash directory concerning firefox, if so please double click on it in the nautilus file browser - this should start apport which will send useful information about the crash
could you start firefox from a terminal and include the console output when firefox freezes
do you have anything in the /var/crash directory concerning firefox, if so please double click on it in the nautilus file browser - this should start apport which will send useful information about the crash