Rick Pershken 0 Report post Posted December 16, 2020 (edited) My Nitro Pro reverted to a trial version. Now I can't use it. I have tried all of the steps, deactivation, reactivation, offline reactivation and i still get -23 Error serial number already used. This is not installed on any other computers Ver Nitro Productivity Suite, Nitro Pro 12 Ser No. 234***-******-****** Edited December 17, 2020 by Reymund G. Quote Share this post Link to post Share on other sites
Reymund G. 0 Report post Posted December 17, 2020 Hi @Rick Pershken, Thank you for reaching out to us through our Community Forums! An adjustment has been made on your Nitro Pro serial number. Please try to activate again and it should be working now. Kind regards, Quote Share this post Link to post Share on other sites
Rick Pershken 0 Report post Posted December 17, 2020 Thank You! Quote Share this post Link to post Share on other sites
