Alberto Ripamonti Posted January 19, 2021 Report Share Posted January 19, 2021 I deactivated my license (NItro Pro 12) on the old computer. I also deactivated my license thorugh the license portal; but I still get the error message: -23 Error serial number already used. It seems to be a quite common issue... Link to comment Share on other sites More sharing options...
Official Nitronaut Allain Umailin Posted January 19, 2021 Official Nitronaut Report Share Posted January 19, 2021 Hello @Alberto Ripamonti, Thank you for reaching out to us through our Community Forums! To further assist you, I just made an adjustment on your license, so you can now activate your copy of Nitro Pro by going to Help tab > About Nitro Pro > Activate, entering your serial number and clicking Activate. We have a rare problem where occasionally Nitro can not create an ID on a computer and instead assigns it to be '00000000000000000000'. This ID causes a conflict on our activation server and will recover an error. If you have a computer that has this error, you can check Nitro Pro to see if it is the same computer ID through Help > About Nitro Pro > Activate > Advanced. Thank you for choosing Nitro and I hope this helps. Link to comment Share on other sites More sharing options...
Alberto Ripamonti Posted January 19, 2021 Author Report Share Posted January 19, 2021 Problem solved: thank you. Link to comment Share on other sites More sharing options...
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