After using XP pro for more than five years, got a message "Not authentic".

I had a store of the local computer to build my computer with Vista pro more than 5 1/2 years ago. Vista is is crushed so often that a few months later I had to remove it and install my old XP pro trustworthy. It worked without problem for the last 5 years and now I get the message not real like few others I've seen on this website. Unfortunately, I can't find my old drive (real) XP pro and the calendar is not good to reformat my drive right now since I'm in the middle of a project. Is there a solution to this problem? I've never had any problems with my old XP pro on old computer and do not know why this is happening now after 5 years of use contiguous. I appreciate your comments.

Read the following article.  It is possible that this is your problem:

"Windows XP on computers can be marked as not authentic when incorrect."
or the corrupted data.dat file is present.
  <>http://support.Microsoft.com/kb/926333 >

HTH,
JW

Tags: Windows

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