>Login again. Hasn't happenned for a few days. I'll note the time and frequency next time(s) to see if it is a pattern that might indicate a process being run or something.

Ok, if it happens again, I will need the exact message. I need to determine where that one is coming from. The message about logging in elsewhere and going back here will result in another message which is totally different. So, this is probably not the case.