Rojit Mah Posted May 9 Report Share Posted May 9 Hi, I have installed Nitro Pro 9 in my new PC and when I tried to activate the serial key it's giving "-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: " I need help regarding this issue. Thank you Link to comment Share on other sites More sharing options...
Official Nitronaut Reymund Oyong Posted May 9 Official Nitronaut Report Share Posted May 9 Greetings @Rojit Mah Thank you for reaching out through our Community Forums! Please provide the serial number that you are using to activate the application. Kindly provide as well the version and build of Nitro PDF Pro on your machine. This can be located when you open Nitro PDF Pro and then navigate to the Help tab > About Nitro Pro. Kind regards, Link to comment Share on other sites More sharing options...
John Mills Posted May 10 Report Share Posted May 10 I have the same problem trying to install Nitro pro 11 on Windows 11. It does accept my serial number and give me error 24 Link to comment Share on other sites More sharing options...
Rojit Mah Posted May 10 Author Report Share Posted May 10 (edited) On 5/10/2023 at 2:49 AM, Reymund Oyong said: Greetings @Rojit Mah Thank you for reaching out through our Community Forums! Please provide the serial number that you are using to activate the application. Kindly provide as well the version and build of Nitro PDF Pro on your machine. This can be located when you open Nitro PDF Pro and then navigate to the Help tab > About Nitro Pro. Kind regards, Hi, I am using Nitro Pro 9.5.4.22. And my serial number is 234***************. Thank you Edited May 12 by Reymund Oyong Hide sensitive information Link to comment Share on other sites More sharing options...
Official Nitronaut Reymund Oyong Posted May 12 Official Nitronaut Report Share Posted May 12 Greetings @Rojit Mah The serial number you provided is a version 9 license. Please note that we no longer support Nitro Pro 11 and older and its activation servers have been shut down. Thus, any activation or deactivation attempt on these versions will no longer work. Also, access to the installer for these versions is no longer available. We recommend upgrading to our latest version, Nitro PDF Pro 13, 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 PDF Pro 13 with a discounted price, please visit our Upgrade page at https://www.gonitro.com/support/upgrade Alternatively, you can continue to use your existing serial number by installing the latest build of Nitro PDF Pro 12 which is 12.16.9.574. Per our Sunset Policy, https://www.gonitro.com/nps/product-details/sunset-policy, we stopped making feature enhancements to version 12 once we released Nitro PDF Pro 13. You can find the Nitro Pro 12.16.9.574 installer from the link below and activate it with your current Nitro Pro serial number:https://www.gonitro.com/product-details/downloads - click the 'Download Nitro Pro 12' link Once Nitro PDF Pro 12 is installed, you can activate it by going to the Help tab > About Nitro Pro > Activate, enter the serial number then click Activate. Kind regards, Link to comment Share on other sites More sharing options...
Official Nitronaut Reymund Oyong Posted May 12 Official Nitronaut Report Share Posted May 12 (edited) Greetings @John Mills Thank you for reaching out through our Community Forums! Please refer to the above post regarding the installation and activation of serial numbers under version 11 and older. Kind regards, Edited May 12 by Reymund Oyong Link to comment Share on other sites More sharing options...
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