John O'Connell Posted June 1, 2022 Report Share Posted June 1, 2022 I've installed Nitro PDF Pro 6.2.3.6 but cannot activate it due to an error saying "Unknown error" (very helpful) When I try activating manually using a web browser to get an activation certificate, a browser is opened and navigates to www.internetactivation.com from which I get a "Http/1.1 Service Unavailable" error I'm guessing the only option is to upgrade but I don't see anywhere on the site where I can get upgrade pricing. Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted June 1, 2022 Official Nitronaut Report Share Posted June 1, 2022 Hello @John O'Connell Thank you for posting on our Community Forums! Please note that we no longer support Nitro Pro 6 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/pro/upgrade 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 6 serial number. https://www.gonitro.com/nps/product-details/downloads Please let us know if you need any further assistance. Link to comment Share on other sites More sharing options...
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