The TeamViewer VPN adapter is not installed Since the problem is with the VPN used by TeamViewer, there is really something wrong with the installation of the program because everything should be included when you install TeamViewer.
Jul 18, 2020 adapter problem driver is not installed | Tech Support Apr 10, 2011 Fix network connection issues in Windows - Windows Help
The network adapter ‘Broadcom 802.11n’ is well known to cause several problems when you try to use it to connect to the internet. These problems usually arise when the driver software is not up to date, the drivers are corrupted due to any reasons or there is a problem with the registry etc.
Fix Belkin Wireless G USB Network Adapter not working issue Jul 25, 2020 ManagingWindowsTAPDrivers – OpenVPN Community Feb 10, 2017
May 06, 2020
Fix: Broadcom 802.11n Network Adapter Not Working The network adapter ‘Broadcom 802.11n’ is well known to cause several problems when you try to use it to connect to the internet. These problems usually arise when the driver software is not up to date, the drivers are corrupted due to any reasons or there is a problem with the registry etc. Fixing Windows Did Not Detect a Properly Installed Network Aug 25, 2019 Top 13 Ways to Fix Windows 10 Network Adapter Missing Issue