在我的 Ubuntu 14.04 LTS 中无法安装 vlc 播放器。实际上我是 Ubuntu 新手，所以对它不太了解。我尝试使用软件中心，但遇到了以下错误。
错误是
The following packages have unmet dependencies:
vlc: Depends: vlc-nox (= 2.1.6-0ubuntu14.04.2) but 2.1.6-0ubuntu14.04.2 is to be installed
Depends: libc6 (>= 2.15) but 2.19-0ubuntu6.9 is to be installed
Depends: libfreetype6 (>= 2.2.1) but 2.5.2-1ubuntu2.5 is to be installed
Depends: libgcc1 (>= 1:4.1.1) but 1:4.9.3-0ubuntu4 is to be installed
Depends: libqtcore4 (>= 4:4.8.0) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
Depends: libqtgui4 (>= 4:4.8.0) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 is to be installed
Depends: libstdc++6 (>= 4.6) but 4.8.4-2ubuntu1~14.04.3 is to be installed
Depends: zlib1g (>= 1:1.2.3.3) but 1:1.2.8.dfsg-1ubuntu1 is to be installed
vlc-nox我尝试从软件中心安装，但它返回另一个有关libc6库的错误。我检查libc6后发现它已经安装好了。
我该如何修复它？
执行命令 sudo apt install vlc 后的结果如下
athuls@athuls-desktop:~$ sudo apt install vlc
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
vlc : Depends: vlc-nox (= 2.1.6-0ubuntu14.04.2) but it is not going to be installed
Depends: libvlccore7 (>= 2.1.0) but it is not going to be installed
Recommends: vlc-plugin-notify (= 2.1.6-0ubuntu14.04.2) but it is not going to be installed
Recommends: vlc-plugin-pulse (= 2.1.6-0ubuntu14.04.2) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
athuls@athuls-desktop:~$