我刚刚在 Windows 10 托管的虚拟机上安装了 Ubuntu
我试图找到解决这个问题已经几个小时了：
Get:1 http://archive.ubuntu.com/ubuntu xenial InRelease [3,548 B]
Err:1 http://archive.ubuntu.com/ubuntu xenial InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Get:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [3,556 B]
Err:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Get:3 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [3,558 B]
Err:3 http://archive.ubuntu.com/ubuntu xenial-backports InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Get:4 http://archive.ubuntu.com/ubuntu xenial-security InRelease [3,557 B]
Err:4 http://archive.ubuntu.com/ubuntu xenial-security InRelease
Clearsigned …