In WireShark I trust.
[Yup. As a geek this kicked over my giggle box. Doubly so since I've been in that same position.
Well I don't care what you say, WireShark shows no traffic related to X when you're process is running. So you're craps broken, deal with it!
I've noticed it is a unique individual who will just willingly admit, "Yup I screwed up, give me a couple minutes so I can fix that." Most of the time people are more interested in saving face and making themselves not look bad.
I find it better to look good by admitting my mistake and fixing the problem, but that's just me. -B]