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#11
I stumbled around the Net and found a Freeware program called, "Hostsman." After spending a few days trying to figure out how to use it I finally got it. This program is actually quite handy! All you have to do is enter one line at a time and Viola, mission accomplished. Although I never figured out why I couldn't edit the Hosts file in the normal way, this program got the job done.
My sincere appreciation to all who took the time to advise me on this.
My boneheaded mistake was not unchecking "Read only" of the Hosts file in "Properties", that took care of it!