Sharat Rao Posted May 25, 2022 Report Share Posted May 25, 2022 Hello, I had bought Nitro pro Pdf in 2012. I have now changed my computer. I am not able to activate Nitro pro Pdf in the new computer. When I enter the license number, it gives an error " -24: Activation error" If you click on 'Raise a support ticket', a new page pops up asking for the serial number. When I enter the serial number, it shows that the number is active and and asks me to deactivate it. If I click on the "Deactiavte" Tab, it asks me to select the device. But no devices are shown. Since I do not have the old PC with me (It has been formatted with a new OS), I cannot deactivate the installation on the old PC. Link to comment Share on other sites More sharing options...
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