小编Iai*_*ris的帖子

刚刚从 11.04 升级到 11.10，当我将鼠标悬停在它们上面时，Nautilus 不再预览 MP3 文件。

另一台运行 11.10 一段时间的 PC 在最新更新后也遇到了这种情况

Nautilus 首选项不再显示媒体/mp3 文件的选项，那么我如何才能恢复此功能？

今天来做一些12.10的更新，得到错误

E:Malformed Description-md5 line; includes invalid character 'd72e12fa21290d21a54b'4e8480abad1', E:Malformed Description-md5 line; includes invalid character 'd72e12fa21290d21a54b'4e8480abad1', E:The package lists or status file could not be parsed or opened.

This is from either update manager or apt-get (which gives a bit more info)

Malformed Description-md5 line; includes invalid character 'd72e12fa21290d21a54b'4e8480abad1'
    Malformed Description-md5 line; includes invalid character 'd72e12fa21290d21a54b'4e8480abad1'
    The package lists or status file could not be parsed or opened.
    Can't call method "policy" on an undefined value at /usr/bin/apt-show-versions line 56.
    E: …