"COM: InitializePrinter - Error reading license information: 4380" error occurs, after ES e4 starts up
It is NovaPDF related issue. We found "novaPDF Server" is not running. Please follow the instruction below to resolve this issue:
To manually start the "novaPDF Server" service:
1) Go into Control Panel -> Administrative Tools -> Services,
2) Click on novaPDF Server and then right click and select Start.
Note: Once it started, run ES and the error should not appear.