wireguard

Hello all! I've got a rather complicated networking related issue. Our story starts when I inherit a old Dell machine from a family member. Aiming to save the machine from rotting in a landfill, i bought a 4tb drive off ebay and threw a new image of ubuntu server22.04 on it. It now lives happily...

I use Windows and have started using Proton Wireguard configs for the Wireguard App. Just wondering if there's a kill switch script available that I can edit the Wireguard config files in notepad? I have only seen these scripts posted online for people running Linux, but not sure if they will...