Norton security won't start

Hi i've been having a few problems with norton security as seen below and neither of norton or windows defender will not turn on. The problem is happening on two different pc both running windows 10 and both running norton security but on two different pc running norton internet security and windows 10 work perfectly fine. I have spoken to the live chat help and they have temporarily fixed the problems on numerous times but whenever the pc is shut down it does the exact same thing as before and this has been going on for over six weeks. Any help would be appreciated.