Every so often, maybe every 5 to 7 days, I try to open Firefox to my home page and absolutely nothing happens. A plain white page. I must let it sit for at least 5 minutes, and suddenly it starts working again, without issue. WHY? It seems completely random, never happens more than once a week or so, and simply stops working. Can't connect to any sites, including home page. Task manager might show multiple "Firefox" opens, and if I close the window and try to reopen it the error message is that Firefox is already running. Nothing I can do but sit for 5+ minutes and wait. Any ideas?