2024-08-01, 01:40 PM
You should also delete the device token in Jellyfin.
In a browser navigate to Dashboard > Devices. Delete the token for Jellyfin Media Player.
You said you deleted the "appdata" folder, there were two. "jellyfinmediaplayer" and "Jellyfin Media Player" in C:\Users\yourUser\appdata\local. Delete both. Open JMP and log back in. You don't need to touch the registry.
In a browser navigate to Dashboard > Devices. Delete the token for Jellyfin Media Player.
You said you deleted the "appdata" folder, there were two. "jellyfinmediaplayer" and "Jellyfin Media Player" in C:\Users\yourUser\appdata\local. Delete both. Open JMP and log back in. You don't need to touch the registry.