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Cannot activate Nitro Pro 12 after having replaced the hard drive

Javier N.

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My license number is ***

I have replaced the hard drive and re-installed Windows.

Now, after having installed NitroPro 12, when I try to activate it, I receive the following error:

-24 Activation Error

NitroPro encountered some issues while attempting to activate.

I've tried to go to this page:


But I cannot deactivate anything because everything seems to be already deactivated:

Serial Number  
Version 12
Status Active
Number of Activations 0
Number of Activations Allowed 2

Could you please help?


Edited by Leslie V
Deleted Confidential Information (Serial Number)
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  • Official Nitronaut

Hello @Javier Narbaiza

Thank you for your message - I can help you out.

We have upgraded our activation servers. Please install the latest Nitro Pro 12 update ( so you can reactivate successfully: 

Then activate with your Nitro Pro 12 serial number.

I hope this helps!

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