Photolady,

Thanks for your comments. I used the "FixBlaster" and it did not find the Blaster worm on my system. Yesterday, I began the instructions for manual removal, but of course did not find the MSblaster.exe file.
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To all:

The last time I returned to my PC and turned on the montior, my system had decided to initiate the screensaver. So, it appears it is randomly/alternately working and not working .... the worst kind of problem is one that isn't consistent .... sigh.
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- Dave G.

Asus A7D mobo
Dual Athlon MP1800+ processors
512 MB DDR RAM
Creative Annihilator Blaster GeForce3 video (64 MB DDR RAM)
Dual WD 80 GB HDDs (7200 rpm)
Kenwood Zen True-X 72x CD-ROM drive
Plextor 40x12x40x CD-RW drive
Logitech Optical Freedom cordless keyboard & mouse
USR/3Com 10/100 NIC card
Toshiba cable modem
Viewsonic 18" UVGA flat panel monitor