sudo apt-get update Error

Hi Friend,
i am getting error while run the command sudp apt-get update.
please help me resolve the below issue

ubuntu@ubuntu-HP-2000-Notebook-PC:~$ sudo apt-get update
[sudo] password for ubuntu:
Ign http://old-releases.ubuntu.com trusty InRelease
Ign http://old-releases.ubuntu.com trusty-updates InRelease
Ign http://old-releases.ubuntu.com trusty-backports InRelease
Ign http://old-releases.ubuntu.com trusty-security InRelease
Ign http://old-releases.ubuntu.com trusty Release.gpg
Ign http://old-releases.ubuntu.com trusty-updates Release.gpg
Ign http://old-releases.ubuntu.com trusty-backports Release.gpg
Ign http://old-releases.ubuntu.com trusty-security Release.gpg
Ign http://old-releases.ubuntu.com trusty Release
Ign http://old-releases.ubuntu.com trusty-updates Release
Ign http://old-releases.ubuntu.com trusty-backports Release
Ign http://old-releases.ubuntu.com trusty-security Release
Ign http://extras.ubuntu.com trusty InRelease
Get:1 http://extras.ubuntu.com trusty Release.gpg [72 B]
Get:2 http://extras.ubuntu.com trusty Release [11.9 kB]
Get:3 http://extras.ubuntu.com trusty/main Sources [14 B]
Get:4 http://extras.ubuntu.com trusty/main amd64 Packages [14 B]
Get:5 http://extras.ubuntu.com trusty/main i386 Packages [14 B]
Ign http://extras.ubuntu.com trusty/main Translation-en_IN
Ign http://extras.ubuntu.com trusty/main Translation-en
Err http://old-releases.ubuntu.com trusty/main Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty/restricted Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty/universe Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty/multiverse Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty/main amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty/restricted amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty/universe amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty/multiverse amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty/main i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty/restricted i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty/universe i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty/multiverse i386 Packages
404 Not Found
Ign http://old-releases.ubuntu.com trusty/main Translation-en_IN
Ign http://old-releases.ubuntu.com trusty/main Translation-en
Ign http://old-releases.ubuntu.com trusty/multiverse Translation-en_IN
Ign http://old-releases.ubuntu.com trusty/multiverse Translation-en
Ign http://old-releases.ubuntu.com trusty/restricted Translation-en_IN
Ign http://old-releases.ubuntu.com trusty/restricted Translation-en
Ign http://old-releases.ubuntu.com trusty/universe Translation-en_IN
Ign http://old-releases.ubuntu.com trusty/universe Translation-en
Err http://old-releases.ubuntu.com trusty-updates/main Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/restricted Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/universe Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/multiverse Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/main amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/restricted amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/universe amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/multiverse amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/main i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/restricted i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/universe i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-updates/multiverse i386 Packages
404 Not Found
Ign http://old-releases.ubuntu.com trusty-updates/main Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-updates/main Translation-en
Ign http://old-releases.ubuntu.com trusty-updates/multiverse Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-updates/multiverse Translation-en
Ign http://old-releases.ubuntu.com trusty-updates/restricted Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-updates/restricted Translation-en
Ign http://old-releases.ubuntu.com trusty-updates/universe Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-updates/universe Translation-en
Err http://old-releases.ubuntu.com trusty-backports/main Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/restricted Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/universe Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/multiverse Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/main amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/restricted amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/universe amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/multiverse amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/main i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/restricted i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/universe i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-backports/multiverse i386 Packages
404 Not Found
Ign http://old-releases.ubuntu.com trusty-backports/main Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-backports/main Translation-en
Ign http://old-releases.ubuntu.com trusty-backports/multiverse Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-backports/multiverse Translation-en
Ign http://old-releases.ubuntu.com trusty-backports/restricted Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-backports/restricted Translation-en
Ign http://old-releases.ubuntu.com trusty-backports/universe Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-backports/universe Translation-en
Err http://old-releases.ubuntu.com trusty-security/main Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/restricted Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/universe Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/multiverse Sources
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/main amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/restricted amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/universe amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/multiverse amd64 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/main i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/restricted i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/universe i386 Packages
404 Not Found
Err http://old-releases.ubuntu.com trusty-security/multiverse i386 Packages
404 Not Found
Ign http://old-releases.ubuntu.com trusty-security/main Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-security/main Translation-en
Ign http://old-releases.ubuntu.com trusty-security/multiverse Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-security/multiverse Translation-en
Ign http://old-releases.ubuntu.com trusty-security/restricted Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-security/restricted Translation-en
Ign http://old-releases.ubuntu.com trusty-security/universe Translation-en_IN
Ign http://old-releases.ubuntu.com trusty-security/universe Translation-en
Fetched 12.0 kB in 1min 36s (124 B/s)
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/main/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/restricted/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/universe/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/multiverse/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/restricted/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/universe/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/multiverse/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/restricted/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/universe/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty/multiverse/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/main/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/restricted/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/universe/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/restricted/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/restricted/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/main/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/restricted/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/universe/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/multiverse/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/main/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/restricted/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/universe/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/multiverse/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/main/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/restricted/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/universe/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-backports/multiverse/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/main/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/restricted/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/universe/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/multiverse/source/Sources 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/main/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/restricted/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/multiverse/binary-amd64/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/main/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/restricted/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-i386/Packages 404 Not Found

W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/trusty-security/multiverse/binary-i386/Packages 404 Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.

Well, why did you update your /etc/apt/sources to point to
"old-releases.ubuntu.com" "trusty" is not there yet... (in a few years
it'll be..)

Regards,