John Fincham Posted January 28, 2021 Report Share Posted January 28, 2021 My version of Nitro pro has suddenly decided to be a trial version. I have only one copy on one computer. I haver recently reset Window 10 and I wonder if this has caused it. I have tried to resolve the problem via your website but seem to just go round in circles. One message that comes up is -23 Error License number already used. Help! Link to comment Share on other sites More sharing options...
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