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安装某些软件包和更新 Ubuntu 时出现问题

tag-icon • tag-icon software-center wine skype vlc
安装某些软件包和更新 Ubuntu 时出现问题

我对这个操作系统还不太熟悉。我已经用了 6 个月了。最初我的操作系统没有问题，但自从我弄乱了一些 wine 软件后，每当我点击更新软件部分的“检查”时，过一会儿就会弹出一个窗口，上面写着“无法下载存储库信息”。当我点击详细信息时，它显示如下内容：

W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release  Unable to find expected entry 'commercial/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise-security/Release  Unable to find expected entry 'commercial/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)
, W:Failed to fetch http ://archive.ubuntu.com/ubuntu/dists/precise-updates/Release  Unable to find expected entry 'commercial/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)

, E:Some index files failed to download. They have been ignored, or old ones used instead.

几天以来我一直无法找出真正的问题所在。我甚至无法安装一些软件，如 VLC、SKYPE、TeamViewer 甚至 Wine。我总是被报告同样的问题，就像这样：

Package dependencies cannot be resolved

This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be installed at the same time.


The following packages have unmet dependencies:

vlc: Depends: vlc-nox (= 2.0.3+git20120729+r318-0~r40~precise1) but 2.0.3+git20120729+r318-0~r40~precise1 is to be installed
     Depends: libavcodec-extra-53 (>= 4:0.8-1~) but 4:0.8.3ubuntu0.12.04.1 is to be installed
     Depends: libavutil-extra-51 (>= 4:0.8-1~) but 4:0.8.3ubuntu0.12.04.1 is to be installed
     Depends: libc6 (>= 2.15) but 2.15-0ubuntu10 is to be installed
     Depends: libfreetype6 (>= 2.2.1) but 2.4.8-1ubuntu2 is to be installed
     Depends: libgcc1 (>= 1:4.1.1) but 1:4.6.3-1ubuntu5 is to be installed
     Depends: libqtcore4 (>= 4:4.8.0) but 4:4.8.1-0ubuntu4.2 is to be installed
     Depends: libqtgui4 (>= 4:4.7.0~beta1) but 4:4.8.1-0ubuntu4.2 is to be installed
     Depends: libstdc++6 (>= 4.6) but 4.6.3-1ubuntu5 is to be installed
     Depends: zlib1g (>= 1:1.2.3.3.dfsg) but 1:1.2.3.4.dfsg-3ubuntu4 is to be installed

我已经是 Ubuntu 的忠实用户了，以至于我无法卸载并重新安装它。有人能帮我吗？

答案1

只需按下键盘上的Ctrl+ Alt+T即可打开终端。打开后，运行以下命令。

sudo apt-get install -f
sudo apt-get update

答案2

手动编辑/etc/apt/sources.list并删除所有“商业”一词。问题解决了。先备份该文件！

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