If you use McAffee Total protection and are experiencing connection errors with external devices follow these steps to resolve:

STEP 1: Click the settings cog followed by "Firewall" under the PC Security header

STEP 2: Next click "Internet Connections for Programs"

STEP 3: Scroll down the list and select "GameGlass" then click "Edit"

STEP 4: in the dropdown menu for Incoming and outgoing change the setting to "Open ports to Work and Home networks" and click the Save button. If this does not resolve your connection error after a logout/in cycle then select "Open to all devices" in the dropdown menu instead.