ALSO ADDED - WIndows Application Log has this warning message if it helps:
The description for Event ID 300 from source Qlik Sense Service Dispatcher cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.
If the event originated on another computer, the display information had to be saved with the event.
The following information was included with the event:
Unexpected termination (0) for process 0
Facility = Data Preparation
ExePath = Node\node.exe
Script = ..\DataServices\src\service.js