Hi Pat. I'm Greg, an installation specialist, 10 year Windows MVP, and Volunteer Moderator. If you will work with me I will be here to help until the issue is resolved.
See how to reactivate FSX after reinstallation:
https://answers.microsoft.com/en-us/windows/for...
https://www.flightsim.com/vbfs/showthread.php?3...
https://support.microsoft.com/en-us/help/960481...
https://www.youtube.com/watch?v=KLDARPXgjVI
I hope this helps. Feel free to ask back any questions and keep me posted. If you will wait to choose if I resolved your problem, I will keep working with you until it's resolved.
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