April 14, 201016 yr I don't understand why but my absolutely, verifiably, legitimately purchased PMDG JS4100 has begun asking for online verification each time I try to use the aircraft. I enter the licence number and am told it's unlicensed and will not perform as expected. Any clue's, guys? Just as a matter of interest, MS automatic updates were installed yesterday to my Win 7 64bit os. This morning is the first time I've attempted to open the aircraft.Jon Shearer
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