Windows 10 PPTP VPN No Internet
If you need to keep your Internet connection when you connect to the VPN, you can do the following:
Open "PowerShell" as an administrator, and with the following command you can fix it. Note that you should reboot the PC after this.
PS C: \> Set-VpnConnection -Name "YOURVPN" -SplitTunneling $True -PassThru
For more support and documentation see:
https://technet.microsoft.com/en-us/library/jj554823(v=wps.630).aspx