1. Un-check the IPv6 box in the Network Properties
2. Go to regedit and add the following key:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters]
"DisabledComponents"=dword:ffffffff
ipconfig /flushdns
netsh firewall set icmpsetting 8
Good explanation of the difference - they're confused frequently at my POB