E: The method driver /usr/lib/apt/methods/mirror could not be found（已解决）

[i=s] 本帖最后由 刘冲 于 2009-4-3 23:54 编辑 [/i]

英文是：
E: The method driver /usr/lib/apt/methods/mirror could not be found
E: The method driver /usr/lib/apt/methods/mirror could not be found

中文是：
E: 无法找到获取软件包的渠道 /usr/lib/apt/methods/mirror 所需的驱动程序。
E: 无法找到获取软件包的渠道 /usr/lib/apt/methods/mirror 所需的驱动程序。


deb http://security.debian.org/ lenny/updates main
deb-src http://security.debian.org/ lenny/updates main

deb http://volatile.debian.org/debian-volatile lenny/volatile main
deb-src http://volatile.debian.org/debian-volatile lenny/volatile main

deb http://http.us.debian.org/debian/ lenny main

deb http://ftp.tw.debian.org/debian/ lenny main
deb http://debian.cn99.com/debian/ lenny main
deb http://mirrors.163.com/debian/ lenny main

上面是我的源，帮我看看哪个不对劲？原来行的突然不行了。