missgrace811 Posted August 14, 2019 Report Share Posted August 14, 2019 I have Nitro Pro 9 already installed (which expired) and then purchased the product. When I tried to activate it, I received an error message indicating my serial number is for the wrong product. I then installed the Nitro Pro 12 but it's in Trial Mode and there is not place where I can use my serial number provided to activate. Help.... Thank you. Link to comment Share on other sites More sharing options...
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