That program is an open source application to help you handle VPN connection.

If you installed an application like i.e.

CyberGhost or Hide-me, Tap-Windows comes with it.

What is tap Windows software?

What is a TAP Windows Adapter? A Windows TAP adapter is a special network driver installed by most VPN programs. This adapter will typically appear in your Device Manager after the initial installation of the VPN client (Hamachi, SoftEther, Cyberghost, etc).

What is tap NordVPN Windows Provider v9?

TAP-Windows Adapter V9 is a network driver that allows VPN to connect to its servers. TAP-Windows Adapter V9 can appear on your device soon after the installation of VPN client (ExpressVPN, CyberGhost, NordVPN, etc.). Most of the VPN clients use this adapter for private connection to the server.