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I'm new to ubuntu, while upgrading from ubuntu 13.10 to 14.04 i was getting some errors in the source list. While trying to make it right i used a source list of another pc and replaced it with mine, now my ubuntu source list seems to be completely corrupted and i'm stuck in the process of upgradation.

Need help fast

This is my current source list.

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to

# newer versions of the distribution.

## Major bug fix updates produced after the final release of the
## distribution.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.


## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.


## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu saucy main
deb-src http://extras.ubuntu.com/ubuntu saucy main
# deb-src http://archive.canonical.com/ $(lsb_release -sc)partner
deb http://in.archive.ubuntu.com/ubuntu/ saucy main universe restricted multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ saucy main universe restricted multiverse #Added by software-properties
deb http://security.ubuntu.com/ubuntu/ saucy-security universe restricted multiverse main
deb http://in.archive.ubuntu.com/ubuntu/ saucy-updates universe restricted multiverse main
deb http://in.archive.ubuntu.com/ubuntu/ saucy-proposed universe restricted multiverse main
deb http://in.archive.ubuntu.com/ubuntu/ saucy-backports universe restricted multiverse main
deb http://archive.canonical.com/ trusty partner
deb-src http://archive.canonical.com/ trusty partner
deb http://archive.ubuntu.com/ubuntu trusty multiverse main universe restricted
deb-src http://archive.ubuntu.com/ubuntu trusty main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty universe
deb http://archive.ubuntu.com/ubuntu trusty-backports universe main restricted multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu trusty-security multiverse main universe restricted
deb-src http://archive.ubuntu.com/ubuntu trusty-security main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty-security multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty-security universe
deb http://archive.ubuntu.com/ubuntu trusty-updates multiverse main universe restricted
deb-src http://archive.ubuntu.com/ubuntu trusty-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty-updates multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty-updates universe
deb http://extras.ubuntu.com/ubuntu trusty main
deb-src http://extras.ubuntu.com/ubuntu trusty main
deb-src http://archive.canonical.com/ trusty partner
deb-src http://archive.ubuntu.com/ubuntu trusty main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty universe
deb-src http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty-security main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty-security multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty-security universe
deb-src http://archive.ubuntu.com/ubuntu trusty-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty-updates multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty-updates universe
deb-src http://extras.ubuntu.com/ubuntu trusty main
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marked as duplicate by karel, Aditya, Eric Carvalho, Richard, Avinash Raj Apr 28 at 3:49

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

1 Answer 1

I know this may sound non-standard, but have you tried making a new sources.list file with the Ubuntu Sources Generator webpage? It can make you a standard Ubuntu sources.list with a few click; then save it, copy it into the original sources.list (erasing what was there before) and then update. It can even add some common PPA's. I had problems with a double update (13.04 to 13.10 to 14.04) and some of the PPA's were clashing with the present list, so I generated a new one with only 14.04 Trusty stuff to update without errors, and will add the PPA's later (some still don't have Trusty sources yet).

Try it....if your APT is corrupt, what can you lose?

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