Sap2000 License Not Recognized Error 18 Extra Quality New! [VERIFIED]
If you are the administrator, restart the service on the server after adding new licenses. Address User Account Control (UAC) :
For standalone versions, the activation process generates a file named sap2000 license not recognized error 18 extra quality
This article provides exactly that: an guide to diagnosing and fixing SAP2000 License Error 18 for good. If you are the administrator, restart the service