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Licence Deactivation - error is coming -24 deactivation error


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I've got 1 licence related to 1 serial number to can work on 2 PCs.

1 pc is not available anymore (formatted), the second, I try to deactivate the serial from the software but an error is coming -24 deactivation error.

Trying to deactivate the licence from the Nitro web page is not possible (because a pop up message say to: do that from the Device, but as said this procedure is not working).

I just need to deactivate the licence from all devices but there is no way from the Nitro page and from the device.

Can you deactivate in your system so I can activate again?

I was using Nitro Pro




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  • Allain Umailin changed the title to Licence Deactivation - error is coming -24 deactivation error
  • Official Nitronaut
Allain Umailin


Thank you for reaching out to us through our Community Forums!

We want to make you aware of the change to your product that may affect its activation performance and to further assist you, could you please provide the serial number of your Nitro Pro? This matters because our business installers are different from the online ones.

You can send the COMPLETE details of the license in this post so it will be visible to all the moderators. Rest assured we will hide the serial number before making the post visible to this thread.

Thank you very much in advance and I am looking forward to hearing back from you. 

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