| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | No license found | USB dongle not detected or driver missing | Reinstall Sentinel drivers from \Tools\HASP\ folder | | Database connection failed | SQL Server service stopped | Run services.msc → Start MSSQL$LPWORKSDB | | Driver not signed | Windows Secure Boot blocking | Disable Secure Boot in BIOS or restart with “Disable driver signature enforcement” | | COM port in use | Another app (e.g., label software) holds the port | Close all other software, reboot, try again | | Installation rolls back | Antivirus interrupted setup | Temporarily uninstall antivirus, reinstall LP Works |
You can find detailed installation and setup instructions in the CAS LP-1000N Software Manual from J.P. Bowlin . lp works software download install
: Use the Download button to send updated PLUs to the scale or Upload to pull existing data from the scale into your PC for backup. Troubleshooting Common Issues | Error Message | Likely Cause | Solution