Vpn Ip Address 'hotspot Shield' Software, VPN IP Address "not Set" And So It Is Not Getting Connected. How Can I Solve This?

'hotspot shield' software, VPN IP Address "not set" and so it is not getting connected. how can I solve this? - vpn ip address

I downloaded the software Hotspot Shield and I have a desktop icon. But when I click on this icon opens a window with a message as follows. In the first line error "TLS" and the second line of VPN-IP address "undefined". How do I solve this problem. When I put the IP-VPN first place, how can I do?