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it does not work, as you click the Deactivate button

Ajino Yip

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Ajino Yip

I need to deactivate my Nitro 12 on the 2 old computers (desktop & laptop) as I upgraded to new computers (desktop & laptop), but the deactivate button on the Nitro 12 (via About Nitro Pro tab) does not work for both. It says "-24: Activation Error. Nitro Pro encountered some issues while attempting to activate. Please record the error code above and then contact support via the link below."

Your help to solve this matter is appreciated. Thanks.

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  • Official Nitronaut
Reymund Oyong

Greetings @Ajino Yip

Thank you for reaching out through our Community Forums!

Please note that we no longer support Nitro Pro 12 and older versions. These versions have reached the End of Life (see Sunset Policy) and their activation servers have been shut down.
We recommend upgrading to our latest version, Nitro PDF Pro 14, which comes with significant stability and security improvements and many feature enhancements, particularly in Conversion, OCR, and Accessibility functions. 

To upgrade to the latest version with a discounted price, please visit our Upgrade page at https://www.gonitro.com/support/upgrade 

Kind regards, 

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