cant update or install anything using ubuntu

Asked by pankaj

i m new to ubuntu ..........want to install some new or existing packages ....using synaptic package manager but showing error.

error
Could not download all repository indexes

The repository may no longer be available or could not be contacted because of network problems. If available an older version of the failed index will be used. Otherwise the repository will be ignored. Check your network connection and ensure the repository address in the preferences is correct.
ailed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid/Release.gpg
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid/main/i18n/Translation-en_US.bz2
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid/restricted/i18n/Translation-en_US.bz2
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid/universe/i18n/Translation-en_US.bz2
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid/multiverse/i18n/Translation-en_US.bz2
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid-updates/Release.gpg
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid-updates/main/i18n/Translation-en_US.bz2
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid-updates/restricted/i18n/Translation-en_US.bz2
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid-updates/universe/i18n/Translation-en_US.bz2
Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/intrepid-updates/multiverse/i18n/Translation-en_US.bz2
Failed to fetch http://security.ubuntu.com/ubuntu/dists/intrepid-security/Release.gpg
Failed to fetch http://security.ubuntu.com/ubuntu/dists/intrepid-security/restricted/i18n/Translation-en_US.bz2
Failed to fetch http://security.ubuntu.com/ubuntu/dists/intrepid-security/main/i18n/Translation-en_US.bz2
Failed to fetch http://security.ubuntu.com/ubuntu/dists/intrepid-security/multiverse/i18n/Translation-en_US.bz2
Failed to fetch http://security.ubuntu.com/ubuntu/dists/intrepid-security/universe/i18n/Translation-en_US.bz2
Some index files failed to download, they have been ignored, or old ones used instead.

Question information

Language:
English Edit question
Status:
Solved
For:
Ubuntu synaptic Edit question
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Solved by:
Thomas Krüger
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Revision history for this message
pankaj (pankaj-ayachit) said :
#1

plz find the soln for that

Revision history for this message
Thomas Krüger (thkrueger) said :
#2

It looks like the repository files can not be downloaded.
Please make sure you are connected to the internet!

Revision history for this message
pankaj (pankaj-ayachit) said :
#3

yes m8 i m connected to the Internet ...from the same pc i m browsing this site.

Revision history for this message
Best Thomas Krüger (thkrueger) said :
#4

I just noticed you are using a version of Ubuntu that is outdated for one year.
The software repositories for it are not available anymore.
You need to update it.
See http://www.ubuntu.com/desktop/get-ubuntu/upgrade for details!

Revision history for this message
pankaj (pankaj-ayachit) said :
#5

ok thanks thomas :D