Hello!   The tun/tap interface does not come up. In several cases the excellent recommendations by LZ1 will fix the problem. In some other cases, some additional steps are necessary, please see below. If the problem persists after you have disabled any third-party antivirus and firewall, and you have also ascertained that the tun/tap interface is "Enabled", please try to set the tun/tap interface to "Always connected": Go into device manager Find your TUN/TAP Adapter Right click on it Select "Pr