Alesia Perry Posted September 30, 2021 Report Share Posted September 30, 2021 Hello, I am trying to activate Nitro PDF version 18.104.22.1684; however, when I enter my serial number and the copied activation certificate, I keep getting an error saying the "There is an issue with the activation certificate". The error is "-2: Error - Bad Parameter". I am copying the activation certificate just as it is, so not sure what the problem is. I have verified the serial number and it is correct. Please help as I need to get Nitro PDF working again. Link to comment Share on other sites More sharing options...
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