VPN issues - How to disable IPv6
To Disable IPv6:
1. Use the shortcut, Windows Key + X to open the Control Panel.
2. Open Network and Internet.
3. Open Network and Sharing Center.
4. Click Change Adapter Settings.
5. Right-click your connection and go to Properties.
6. Uncheck the box next to Internet Protocol Version 6 (TCP/IPv6) to disable it.
7. Select OK to confirm the change.