Most of our apps use Bonjour to connect to their helpers on your PC/Mac.
There are various bonjour browsers which will allow you to see what bonjour services are visible to your device and help you in troubleshooting.
There wasn't a good browser tool for Windows, so we built one.
It shows the currently visible services and details of the data they are advertising.
Bonjour Browser for Windows was developed by Mikhail Barashkov of Handydev Software
Please note, this is a free app, and it is offered 'as is'