After my 30 days ban on Windows, my wife asked me to look at her Win XP Pro system that is acting up. A quick inspection shows that my virus definitions subscription license expired on 1899. I knew Windows XP was getting old, but I didn't know it was this old :-)
Apparently Norton SystemWorks' installation has gotten corrupt and it needs to be uninstalled and then re-installed.
Maybe this is the excuse I need to swap the kitchen Win XP machine with either a Mac mini, or a iMac G5. The biggest problem I will face, besides a mini revolt, will be the need to replace all of the educational software we have accumulated over the years.
For now, I am planning on re-installing Norton SystemWorks and getting the computer running again.