QViewer terminates immediately after launch. No error message is displayed. 

Other Symptoms:

Windows Event Log (Application) entries like:

Faulting application name: QViewer.exe

Exception code: 0xe0434352


The QViewer config file is corrupted.


Delete and recreate the config file. 

1) Delete the existing "EasyQlik QViewer.config" file. This file is normally located in folder "C:\Users\rob\AppData\Local\EasyQlik\QViewer". 

2) Start QViewer. The config file will be recreated automatically.  If licensed, you will be prompted to re-enter your license email.