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Can't open any pdf since this morning

Michel Bazas

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Michel Bazas

Hello !
I don't speak or write English. So I will use the translator DeepL to explain my problem. Since this morning, I can't use Nitro Pro 11 anymore because I can't afford to download it because I bought it in 2018. It was an extension of Nitro 10. I can't afford to buy a new version at the moment. I am completely blocked, it does not want to open a single pdf and puts me a message that I attach in screen copy. What can I do, please? Help !


Many thanks and best regards

Have a nice day .


Translated with www.DeepL.com/Translator (free version)

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Reymund Oyong

Hi @Michel Bazas

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

Please note that we no longer support Nitro Pro 11 and older 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 - https://www.gonitro.com/support/upgrade. 

I understand that you cannot purchase a new license or upgrade at the moment. As an alternative, 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 link below and activate it with your current Nitro Pro 11 serial number. 

https://www.gonitro.com/nps/product-details/downloads - Click the 'Download Nitro Pro 12' link 

After installing Nitro Pro 12, you should be able to activate it using your current version 11 serial number. 
To activate, open Nitro Pro 12 then go to the Help tab > About Nitro Pro > Activate. Enter the serial number then click on Activate. 

Kind regards, 

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