hi lugs,
aim using Linux mint olive aim trying to update my system it is showing
following error how to resolve this
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.
Failed to fetch
http://security.ubuntu.com/ubuntu/dists/raring-security/main/binary-amd64/Packages
404 Not Found [IP: 91.189.88.149 80]
Regrads
Anwar