GarthM 0 Report post Posted November 15, 2017 Hi, Despite purchasing a license that con accommodate up to 10 single users, I cannot activate in installation despite having no more than 4 active installations - I get a" -23: Error - License already used" when inputting my serial number. Also, how do I check the number of active licenses? Nitro is core to my business, a speedy resolution would be appreciated. Quote Share this post Link to post Share on other sites
Kelvin V. 0 Report post Posted November 15, 2017 Hi @GarthM, Thanks for posting on our community forums! I also noticed you also submitted a support ticket. I will answer it after sending this message. Cheers! Quote Share this post Link to post Share on other sites