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- Today 11:36 PM
Just had some work done at computer shop. When I tried to start Sim after selecting the pmdg 737,window popped up to register pmdg. So I entered the serial number from the DVD and it gave an error. Clicked cancel then it said I don't have a valid license. Do I have to uninstall and start from scratch ? If so,should I uninstall the liveries first?