You have the correct / most recent version of the GUI, v0.3.0.44(083358b), which has the correct seed nodes. 

It should propagate within a couple of minutes at most.  If it is still not connecting, check your firewall settings. 

In your firewall settings enable apps to communicate through the windows firewall.  Look for qt-boolbd or qt-boolbd.exe and enable either public or private networks depending or your settings.

The following ports are used:

RPC Port:  10102
P2P Port:  10101