Steps to reproduce:
- choose "Polaris" or "Aurora" tracking device
- select a com port on which no device is connected
- load a tool storage
- click "Connect" button
The problem is caused by "CreateNDIAuroraTrackingDeviceSource()" and "CreateNDIPolarisTrackingDeviceSource()" in TrackingDeviceSourceConfigurator calling "OpenConnection()" on the tracking device. QmitkMITKIGTTrackingToolboxView does not catch the expcetion as "OpenConnection()" is supposed to be called later on.