Lorraine.allen 0 Report post Posted August 5, 2019 Getting Error Nr. 23, paid for 50 users but not all 50 used and saying that the serial number is already in use. Share this post Link to post Share on other sites
AllainU 0 Report post Posted August 5, 2019 Hello @Lorraine.allen, Thank you for reaching out to us through our Community Forums! In order for me to further assist you with your concern, could you please provide the serial number of your Nitro Pro? To send this via private message, hover your mouse on top of my name 'AllainU' and select 'Message'. 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
