Reinob, I greatly appreciate your response and am thankful for all of the information and help you and others have contributed to this thread.

I think that the middleware idea is the likely issue, with the occasional misbehaving program also being another possible complication. I suppose that reboot is not the worst thing in the world, and if that's the only way to get things fully cleared, then I'll live.

I still find it strange that things are this way, but c'est la vie avec N9.