Persist Torrent My Computer Refuses To Connect To External Servers Like Steam, Impulse Or Any Torrent.?

My computer refuses to connect to external servers like Steam, Impulse or any torrent.? - persist torrent

Firewalls are only AVG and Windows Firewall, which works perfectly in the past and that "exceptions" to use the spot for all the programs you use. I connect via a wireless router, but not, and it works again, without problems. This problem has already lasts for more than a month, of course, I restart my computer, and install steam and other programs in this period. I think this is a virus, but AVG can not connect to server upgrades, in conjunction with, and all programs that are trying to find something to shine.