1. Disable and re-enable the TAP adapter
Start Menubutton and then select the
Network and Internet.
Network and Sharing Center.
Change adapter settings.
Find the connection which is your TAP Adapter, right-click the
TAP adapterand select
Once Disabled. Right-click the
TAP adapteragain and select
If the above does not resolve the issue please close and restart all OpenVPN processes by following these steps
ctrl alt del.
End all instances of any process containing the word openvpn.
2. Update your TAP adapter drivers
Open Device Manager.
Find the Network Adapters section.
Expand the list and select your TAP adapter.
Right-click on it and select Update.
3. Reinstall TAP Windows adapter
In Windows, right-click the Start button, select Device Manager and go to Network adapters.
Find the TAP Windows adapter, right-click on it and click Uninstall device.
Restart your VPN application. When it starts, it should prompt you to download and install the driver for TAP Windows adapter.
Reinstall and the problem should be solved.