Edgar 0 Report post Posted May 25, 2017 I need help, I install nitro pro 11 but when I add the serial number I get -24: error of activation, How can solve that? Quote Share this post Link to post Share on other sites
Steven Zakulec 60 Report post Posted May 26, 2017 Here's the article on what error -24 usually means: http://kb.gonitro.com/knowledgebase#/answers/Nitro Pro/000001650 If none of that works for you, please contact support: https://www.gonitro.com/support/ticket Quote Share this post Link to post Share on other sites
