I tried to install vlc using the software centre and something pop up saying that
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.
And from the details:
The following packages have unmet dependencies:
vlc: Depends: vlc-nox (= 2.2.0~pre2+git20141011+r57575+24+12~ubuntu14.10.1) but 2.2.0~pre2+git20141011+r57575+24+12~ubuntu14.10.1 is to be installed
Depends: libavcodec-extra-56 (>= 6:11) but 6:11-1 is to be installed
Depends: libavutil54 (>= 6:11~beta1) but 6:11-1 is to be installed
Depends: libc6 (>= 2.16) but 2.19-10ubuntu2.1 is to be installed
Depends: libegl1-x11 but it is a virtual package
Depends: libfreetype6 (>= 2.2.1) but 2.5.2-2ubuntu1 is to be installed
Depends: libgcc1 (>= 1:4.1.1) but 1:4.9.1-16ubuntu6 is to be installed
Depends: libgles1 but it is a virtual package
Depends: libgles2 but it is a virtual package
Depends: libpulse0 (>= 1:1.0) but 1:4.0-0ubuntu22 is to be installed
Depends: libqtcore4 (>= 4:4.8.0) but 4:4.8.6+git49-gbc62005+dfsg-1ubuntu1 is to be installed
Depends: libqtgui4 (>= 4:4.8.0) but 4:4.8.6+git49-gbc62005+dfsg-1ubuntu1 is to be installed
Depends: libstdc++6 (>= 4.9) but 4.9.1-16ubuntu6 is to be installed
Depends: zlib1g (>= 1:1.2.3.3) but 1:1.2.8.dfsg-1ubuntu1 is to be installed
I tried using command and same thing happened. Any suggestion?