ijack,
As I promised in my last message, I inserted the Microsoft Windows XP Home Edition, Service Pack 3 for Ultra Low Cost PCs.
(This CD was used for the "clean install" I did in December 2009.)
At the same time I ran "sfc /scannow", showing the following messages.
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"Windows File Protection"
"Files that are required for Windows to run properly must be copied to the DLL Cache"
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"Windows File Protection"
"The CD you provided is the wrong CD. Please insert the Windows XP Home Service Pack 3 CD into your CD-ROM drive".
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Please advise
Thank you.