PPTP Windows Vista
From BTGuard Wiki
7. Internet address: vpn.btguard.com
Optional: To manually select your server location, please use ca.vpn.btguard.com for Canada or eu.vpn.btguard.com for Europe or sg.vpn.btguard.com for Singapore.
8. Destination name: BTGuard VPN
9. Username:
10. Password: Enter your password.
Both username and password are case sensitive. Make sure not to add/forget Capital Letters.
11. Disable IPv6 for your Internet connection:
Download patch, extract, and run DisableIPv6.reg.
Setup complete!