To make things easier in Windows, you can rename the TAP interface.

1. Open the Windows Control Panel.
2. Click on Network and Sharing Center.
3. Click on Change adapter settings.
4. On the adapter that contains "TAP-Windows Adapter V9" in its name, right-click on it, select Rename and enter TorGuard.
5. Now open qBittorrent.
6. Click on Tools.
7. Click on Options.
8. Click on Advanced.
9. Change Network Interface to TorGuard
10. Click on OK and restart qBittorrent.