Conflicting warnings - NIS vs Win 7

NISwarning.jpgWin 7 "Security Action Center" has a flag up in the sys tray warning me that I have no virus or firewall protection, specifically, Norton Internet Security is not running.  The NIS window, OTOH, tells me everything is on.  Who do I believe, and how do I verify?  Secondly, how do I get them to agree?  Repeatedly telling the UAC window that, yes, I want NIS to run does not affect the warning(s)