Can not start QlikView WebServer Service (QWS)

[Maria_Halley]

The following error is presented

Error 1067: The process terminated unexpectedly

Resolution:

The QlikView WebServer service requires port 4750 and port 80 to be available to bind to. Verify that the ports are not already in use by a different process. 

See QlikView Webserver Service Fails to Start with error System.Net.HttpListenerException (0x80004005)  for details. 

How to check which program is using a specific port

If the ports are used you need to change them either in the other process or in QlikView
For instructions on how to change the ports;

How to: Change QlikView WebServer Service port (4750)
How To: Change QlikView WebServer http port (AccessPoint)