First open the configuration pages by clicking on the icon in the system tray, as shown below:
This will open the window shown below:
Click Internet & Network, then in the area to the right of that click Configure. However, do not click the other Configure link at the bottom right. That will bring up this window:
Next click Advanced, and in the new window select Program Permissions from the Firewall section on the left, like this:
Click Add Allowed Program, and enter the location of the Freewire TV application, normally C:\Program Files\Freewire\Freewire Television\Freewire Television.exe. This needs to be given Full Access.