You may have to allow it to connect through the firewall that's built into total protection. See if the programs access is being blocked under firewall settings.
My Computer
At a glance
Win 7 32 Home Premium, Win 7 64 Pro, Win 8.1,...Intel Core 2 Duo 2.93GHzNot much with my ADHDATI Radeon HD 4350
You should be able to access the settings, although with McAfee, I wouldn't doubt if they made it complicated. I did find this article which may help you....