title: ubuntu operating system apt-get upate command is giving me error
body: <p>In my Ubuntu VERSION 15.04 operating system whenever I fire the command "sudo apt-get update" I have the error below as:</p>
  
  <blockquote>
    <p>"W: Failed to fetch
    <a href="http://in.archive.ubuntu.com/ubuntu/dists/vivid-backports/multiverse/binary-amd64/Packages" rel="nofollow noreferrer">http://in.archive.ubuntu.com/ubuntu/dists/vivid-backports/multiverse/binary-amd64/Packages</a>
    404  Not Found [IP: 91.189.88.161 80]"</p>
  </blockquote>
  
  <p>Please help  me i am not able to do solve this issue.</p>