[Ilugc] installation error

[Dinesh Infotech]

hello,
        I got the following error while installing vlc via
internet........i'm new linux user...plz help me out from this

dinesh@dinesh-Infotech:~$ su
Password:
root@dinesh-Infotech:/home/dinesh# apt-get install vlc
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package vlc
root@dinesh-Infotech:/home/dinesh#
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