Sorry you folks feel so put out. I was simply attempting to understand a
concept which is pretty much foreign to me.
Perhaps you too can forgive us in return, once you realize that
"Thanks for the explanation. It just seems odd to me that MS would
realize the need to have a facility for putting the OS back together
again."
sounds more like sarcasm directed at MS & Windows than an attempt to
understand a concept.
So now, let's all try to get along