Behavioral projection does not work, even after reinstall

Behavioral projection has been routinely failing every several weeks.  Restarting never works, but until today remove and reinstall has worked for a couple of weeks.  Today, the remove and reinstall now no longer works to fix behavorial protection.   Behavioral projection in this case failed after I turned it off for 15 minutes. to allow installation of an update to an established trusted program.  As a side note, right clicking on the Norton icon in the notification area, no longer gives a popup (It is a small square about 1/4 inch in size).  This happened before behavioral protection failed.  Solutions?