当我尝试更新时,它一直显示此警告
W:Failed to fetch http://ppa.launchpad.net/sergio91pt/synaptics+clickpads/ubuntu/dists/quantal/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/sergio91pt/synaptics+clickpads/ubuntu/dists/quantal/main/binary-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.
答案1
这些警告与 Steam 无关,也不会阻止 Steam 更新。它们只是让你知道,你安装的 PPA 实际上并不适用于当前版本。你可以像这样删除它:
sudo add-apt-repository -r "ppa:sergio91pt/synaptics+clickpads"
当您运行 Steam 时,它会自动更新。