The first step, first determine the current SSL VPN tools support win10.
The second step, to confirm the existence of an unknown device or other vendor VPN virtual network card of the computer network adapter in Device Manager Now, there may be a conflict between the virtual NICs and we need to install it, the installation fails,
So you can uninstall unknown device or other vendor VPN virtual network adapter, and then restart the SSL VPN. (My question here is resolved)
The third step, in order to avoid false positives and prevent installation of security software virtual network card, the best computer to install the software above all the first exit.