Yes! I bought paid subscription of a VPN but when I connect manually to the server, the Windows 8 show connection error. During that time I Google setup guide for openvpn, several results come out such as
https://www.techradar.com/how-to/how-to-setup-and-use-openvpn
https://www.vpngate.net/en/howto_openvpn.aspx
https://www.purevpn.com/what-is-vpn/protocols/openvpn
but after reading all guide and implementations the process, I am still unsuccessful. Please give me the proper solution.