1. Install/enable IPv6 stack on Windows XP
Open DOS window by [window key + 'R']
From DOS prompt, type "netsh interface ipv6 install"
To verify, type "ipconfig"
From DOS prompt, type "netsh" and "netsh>interface>ipv6>show interface" or "netsh>interface>ipv6>show address"
2. Uninstall IPv6 stack on Windows XP
Open DOS window by [window key + 'R']
From DOS prompt, type "netsh interface ipv6 uninstall"
To verify, type "ipconfig"
3. Install/enable IPv6 stack on Windows XP
4. Uninstall IPv6 stack on Windows XP