我正在使用Ubuntu20.04,并尝试在其上安装了所有的葡萄酒,但我得到的只是这个错误
E: The repository 'http://ppa.launchpad.net/wine/wine-builds/ubuntu 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