Disable IPv6 on a specific network adapter
You can do this by unbinding the adapter in the Local Area Connection Properties dialog box:
1.Click Start, and then click Control Panel.
2.Click Network and Sharing Center.
3.In the View your active networks area, click Local Area Connection, and then click Properties.
4.On the Networking tab, clear the Internet Protocol Version 6 (TCP/IPv6) check box, and then click OK.