: Typically, a utility like this comes with an uninstallation process in case the user needs to remove the software.
| 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 | lp works software download install
(for Windows 8/10) or the Windows 7 version depending on your OS. USB Driver : Typically, a utility like this comes with
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