If you're having trouble connecting a Kiosk to a Helper PC over a network, the network cannot have a firewall preventing communication. This tutorial will show you how to test if there is a firewall on your network.
Before starting, make sure your Helper PC and tablet are on the same network!
Open the Helper Configure menu by right-clicking the Helper icon in the system tray and selecting Configure.
Copy the address next to Network location at the top of the Configure window and type it into a browser of another computer on the network.
If the web page cannot be found by the browser, then you have a firewall on the network. If you don't have a firewall you should see a web page similar to this: