Ashley5892 0 Report post Posted October 1, 2019 (edited) Hello, I deactivated the past two computers with this serial number: 234600-xxxxxx-xxxxxx and even reinstalled the new version of Nitro pro but now it is saying the serial number does not exist. Please help! Edited October 2, 2019 by AllainU Share this post Link to post Share on other sites
AllainU 0 Report post Posted October 2, 2019 Hello @Ashley5892, Thank you for reaching out to us through our Community Forums! In order to further assist you, could you please provide a screenshot of your 'About Nitro Pro' window under Help tab? Thank you very much in advance and I am looking forward to hearing back from you. Share this post Link to post Share on other sites