Firefox always crashes after restart following plugin install
After successfully installing a plugin or a theme, and restarting firefox using the Restart button an an add-ons screen, the app never comes up. Instead I get Mozilla crash detector asking me whether I want to quit or restart. If I press restart then a generic version of FF comes on (without using my profile) if I quit it and start normally, it comes up normally with all plugins properly functioning. So it seems that a profile gets hosed every time after plugin install (or update) but fixes itself on cold restart.