From what I can see in the summary, you configuration does appear to be correct.
Do you have any other applications that use your microphone (E.G. Discord)? If so, do they keep working?
I see you're using a Logitech headset, which has in the past been reported to have issues with the microphone cutting out (which was not specific to VoiceAttack).
Make sure you're running the latest version of their software/drivers (assuming they've fixed the issue at this point)