Sometimes we use applications or games de LAN (Local Area Network) That do not allow connection between computers because IPv6 is activated Network Adapter. IPv6 is the latest TCP / IP * LAN and Internet connection, but there are old applications have not heard of this protocol IPv6.
If you encounter such a problem with an application or a game, the only solution is to disable IPv6 for our connection.
How can we disable IPv6 in Windows 7 or Windows Vista.
1. First you need to open settings Network and Internet from control Panel.
2. click on Network and Sharing Center.
3. click on Change Adapter Settings. (On the left below Control Panel Home)
4. Selectaci connection for which you want to disable IPv6, Right-click and Properties.
5. Uncheck “6 Internet Protocol Version (TCP / IPv6)”And OK.
Attention! Disable IPv6 only if an application does not support this type of connection. Some ISPs ask IPv6 connection. If you experience problems with internet connection, reactivate IPv6 protocol.