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-24 Activation error: Nitro Pro

Ron Rosenblum

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Ron Rosenblum

I have Nitro Pro v11.0.3.134. I am trying to activate it on a new computer and have my serial number. I get the -24: Activation error. I go through the online tool which shows 0 activations so the Deactivate button does nothing.

Can you help me? 

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Ron Rosenblum

Could I get some support? I like your product and very much want to be able to use it!

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  • Official Nitronaut
Leslie V

Hello @Ron Rosenblum

Thanks for reaching out to us! I am happy to assist you.

Please note that we no longer support Nitro Pro 11 and its activation servers have been shut down.

We recommend to upgrade to our latest version, V13, which comes with significant stability and security improvements, as well as many feature enhancements, in particular in conversion and OCR functions. To upgrade to Nitro Pro 13, please visit our upgrade page: 
Alternatively, you can upgrade to the latest build of Nitro Pro 12. Per our Sunset Policy, https://www.gonitro.com/nps/product-details/sunset-policy, we have stopped making feature enhancements to version 12 once we released version 13. You can find Nitro Pro 12 installer from the page below and activate it with your current Nitro Pro 11 serial number. 

Please let us know if you need any further assistance.

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