I am using windows 8.1 and www.astrill.com VPN. before it was working, but now its not working. I tried to connect VPN for last 4 days.
I followed https://social.technet.microsoft.com/Forums/windows/en-US/303c7c61-074f-4588-ba92-006295ef7cc8/error-734-the-ppp-link-control-protocol-was-terminated?forum=w8itpronetworking but it doesn't help me.
I guess I couldn't login astrill vpn. because my OS doesn't ask me login username password. only asking about my computer's username password. Before it was working same my laptop and OS. I think after windows update it doesn't work.