It appears the app is crashing. From Event Viewer:
Faulting application name: DVDFabPasskey.exe, version: 8.2.7.7, time stamp: 0x576b692f
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0xc0000005
Fault offset: 0x968e4338
Faulting process id: 0x10bc
Faulting application start time: 0x01d1d6597b48674e
Faulting application path: C:\Program Files (x86)\DVDFab Passkey\DVDFabPasskey.exe
Faulting module path: unknown
Report Id: ae5e536b-0870-46ae-8d2f-90a1119fa85c
Faulting package full name: 
Faulting package-relative application ID: