Can you launch firefox --safe-mode and disable the extensions? Then try enabling one by one if that works. I noticed that you had 2 copies of adblock-plus installed, but I don't know if that would cause the issues you are having.
Can you launch firefox --safe-mode and disable the extensions? Then try enabling one by one if that works. I noticed that you had 2 copies of adblock-plus installed, but I don't know if that would cause the issues you are having.