If none of these steps work, it may be time to contact CSI Technical Support with your "echoid.exe" results to verify your license status. To help you resolve this more specifically: Are you using a or network license? Which version of ETABS are you currently running?
Often, the license service simply hangs. Restarting it refreshes the connection. Press Win + R , type , and hit Enter. Locate Sentinel RMS License Manager . etabs license not recognized error 120
Your security software might be flagging the license check as suspicious activity. If none of these steps work, it may