它本来可以运行，但突然从我的电脑上消失了，无法再次安装。VLC 也无法安装。
Ubuntu 软件中心针对 Audacity 给出了以下错误：
audacity: Depends: audacity-data (= 2.0.5-1ubuntu3) but 2.0.5-1ubuntu3 is to be installed
Depends: libc6 (>= 2.15) but 2.19-0ubuntu6.6 is to be installed
Depends: libflac++6 (>= 1.3.0) but it is not going to be installed
Depends: libgcc1 (>= 1:4.1.1) but 1:4.9.1-0ubuntu1 is to be installed
Depends: libglib2.0-0 (>= 2.12.0) but 2.40.2-0ubuntu1 is to be installed
Depends: libgtk2.0-0 (>= 2.8.0) but 2.24.23-0ubuntu1.2 is to be installed
Depends: libid3tag0 (>= 0.15.1b) but it is not going to be installed
Depends: libportaudio2 (>= 19+svn20101113-2~) but 19+svn20140130-1 is to be installed
Depends: libstdc++6 (>= 4.4.0) but 4.8.2-19ubuntu1 is to be installed
Depends: libwxbase2.8-0 (>= 2.8.12.1) but 2.8.12.1+dfsg-2ubuntu2 is to be installed
Depends: libwxgtk2.8-0 (>= 2.8.12.1) but 2.8.12.1+dfsg-2ubuntu2 is to be installed
对于 VLC，这些是：
vlc: Depends: vlc-nox (= 2.1.2-2build2) but 2.1.2-2build2 is to be installed
Depends: libc6 (>= 2.15) but 2.19-0ubuntu6.6 is to be installed
Depends: libfreetype6 (>= 2.2.1) but 2.5.2-1ubuntu2.4 is to be installed
Depends: libgcc1 (>= 1:4.1.1) but 1:4.9.1-0ubuntu1 is to be installed
Depends: libqtcore4 (>= 4:4.8.0) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4 is to be installed
Depends: libqtgui4 (>= 4:4.8.0) but 4:4.8.5+git192-g085f851+dfsg-2ubuntu4 is to be installed
Depends: libstdc++6 (>= 4.6) but 4.8.2-19ubuntu1 is to be installed
Depends: libxcb-composite0 but it is not going to be installed
Depends: libxcb-keysyms1 (>= 0.3.9) but it is not going to be installed
Depends: libxcb-xv0 (>= 1.2) but it is not going to be installed
Depends: zlib1g (>= 1:1.2.3.3) but 1:1.2.8.dfsg-1ubuntu1 is to be installed
从终端安装分别返回以下错误。
Audacity: The following packages have unmet dependencies. audacity : Depends: libflac++6 (>= 1.3.0) but it is not installable Depends: libid3tag0 (>= 0.15.1b) but it is not installable E: Unable to correct problems, you have held broken packages. – Erlja Jkdf. 1 min ago edit
和
VLC: The following packages have unmet dependencies. vlc : Depends: vlc-nox (= 2.1.2-2build2) but it is not going to be installed Depends: libxcb-composite0 but it is not installable Depends: libxcb-keysyms1 (>= 0.3.9) but it is not installable Depends: libxcb-xv0 (>= 1.2) but it is not installable Recommends: vlc-plugin-notify (= 2.1.2-2build2) but it is not going to be installed Recommends: vlc-plugin-pulse (= 2.1.2-2build2) but it is not going to be installed
答案1
我信任或接受了所有现有 PPA 的更新，但你知道吗，事实证明我阻止了一些必要的更新。