VPN error while trying to open GUI

Hi there,
When I want to authenticate to VPN GUI these errors appears all the time. I cannot skip these and also I don’t know how to solve this. Can anyone help me please to fix this error ? What I did wrong ?
Thank you experts !

OpenVPN GUI
Connecting to –shuhaibofficial.blogspot.com_AIRTEL_Server 1 has failed.
OK
