$ sudo apt-get update
Ign:1 http://mirrors.evowise.com/linuxmint/packages ulyana InRelease
Ign:7 https://dl.winehq.org/wine-builds/ubu... focal InRelease
Err:11 https://dl.winehq.org/wine-builds/ubu... focal Release
404 Not Found [IP: 151.101.158.217 443]
Get:12 http://archive.ubuntu.com/ubuntu focal-updates InRelease [111 kB]
Get:21 http://archive.ubuntu.com/ubuntu focal-backports/universe amd64 DEP-11 Metadata [1,972 B]
Reading package lists... Done
E: The repository 'https://dl.winehq.org/wine-builds/ubu... focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list.d/additional-repositories.list:2
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt
Для этого вам необходимо связаться с WineHQ.
На данный момент у Wine нет версии Focal, опубликованной в своих репозиториях. Только они могут это исправить.