This all started when I got a new (android) phone. When trying to login to the Companion app on the new phone using “myurl.duckdns.org” I got the error “The Home Assistant certificate authority is not trusted…”
Googling that error led me to my Nginx settings. I saw that my certificate had expired a year ago (even though the app on my old phone had no issue). I tried renewing the certificate, that didn’t work. So I deleted it and tried to add a new one. That also didn’t work. So I tried editing my host and adding a certificate, that also didn’t work. Each time I received this error
Another instance of Certbot is already running
Does anyone know how to fix this? I’m not great with this SSL and Nginx stuff, so talk to me like I’m a novice, because I am 