Firefox continuously hangs and locks up. It has 15 or 20 processes running and then stops responding when I click on a link. I shut down Firefox and restart and it runs fine. I restarted this session 10 minutes ago and searched for "Limit Firefox sessions" and it already has 14 processes running. Something is wrong with that. In "Performance", I Unchecked "Use recommended performance settings" and checked " Use hardware ..."