(7 hours ago)TheDreadPirate Wrote: Oh. I missed this the first time. You enabled AV1 encoding. Your CPU only supports accelerated AV1 decoding. Uncheck "Allow encoding in AV1 format".
I deactivated it, still the same error when I try to start it.
https://privatebin.net/?d8ed46082f32d391...674ZX8qrPE
The "Generic error in an external library" at the end makes me wonder if the problem is outside of jellyfin.