❌ Error: port 11501 already in use → Run lsof -i :11501 (Mac/Linux) or netstat -ano | findstr :11501 (Windows) and kill the process using it.

If you do not have the software installed, you can find the necessary drivers and signer utility on the official Khajane 2 portal . : Java Runtime Environment (JRE) 8 or higher. Latest USB Token Drivers (e.g., ePass2003, Watchdata).