QV.exe process hanging during batch reload

Scheduled batch reloads via external schedulers, for instance Windows Task Scheduler and Control M, results occassionally in a hanging QV.exe process. The process can only be ended using Windows Task Manager and force a process shutdown. 

The QlikView script log will indicate that the script hasn't finished as statement "Execution finished" does not appear in the log and typically there is an abrupt end.

As QV.exe has a grapical interface all dialogs will appear in batch mode as well. As there isn't any interactive user that can confirm these dialogs the qv.exe process will be hanging as it waits for an UI action.

To suppress dialog add variable errormode=0 in the script. This will suppress dialogs and the script will run through although error occurs in the script. 

The other and preferred if QlikView Publisher can't be used is to use the QlikView Distribution Service in batch mode as described here:
Reloading QlikView documents using QlikView Distribution Service in BatchMode