A Loftware Label Manager or Loftware Print Server hardware key is not being recognized after Windows 10 is upgraded to Version 1803.
The upgrade to Windows 10 Version 1803 can deactivate the Sentinel System Driver functionality required for the Loftware hardware keys to work
To correct the issue, re-run the Sentinel System Driver <ver> Installer.exe (ver may vary) located on the Loftware computer, in the Loftware Labeling\DIAGNOST\Sentinel folder
If the driver is missing from your Loftware computer, it may be downloaded below
All supported LPS family product versions.