The item is supposed to be rare. I agree its not fun to wait around for it, so don't. It used to show up as much as other items, but this was way too common for what we wanted.
No, the ravager is spawning just fine and someone sitting in the room is not an issue. If you see a person in the room that means they have moved in the last 30 or it kicks them off automaticly. They may just be preoccupied and not talking.
Oh I see what he means now, Intenet explorer is crashing. Demon Hunter is correct, that is probably due to a corrupt installation of IE and not the game itself.