February 1, 20179 yr Hi All, I recently just re-installed the Blackbox Prologue A330 onto my new PC and ran the preflight mananger to activate the key (which it said was successful) but once I loaded my A330 on the flight in FSX it said on the screens "An error occured during validation, licence file does not match this PC please run preflight manager to correct). Now I did run both the Preflight manager and FSX on Administrator on my PC. Previous times I have installed the aircraft on my PC there has been no issues whatsoever. I would greatly appreciate all advice and help, many thanks in advance Ciaran C.Calderwood
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