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)