Not knowing that the Killer drivers were important to an XPS, I removed them with all the other bloatware on a new laptop.  After the removal, the VPN no longer worked.  I tried to reinstall the Killer Control Center and drivers, but it still isn't working.  Any ideas why it wouldn't work?

https://support.killernetworking.com/download/killer-software-package-windows-10-1803/

XPS 13 7390 VPN issues.