Ubuntu

Add/Remove not working

Asked by Enigma

I am not able to install anything from the Add/Remove programs.
When I open it, it installs updates, and then when I click on a program, I get this message:

The list of applications is not availabe
Click on 'Reload' to load it. To reload the list you need a working internet connection.

I am obviously connected to the internet.

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Ubuntu Edit question
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Solved by:
Max Schukin
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Revision history for this message
Max Schukin (schukin) said : 		#1

Press Alt-F2 and enter: gedit /etc/apt/sources.list.
Then select all the text in the file, copy and post it here.

Revision history for this message
Enigma (enigmaaphrodite) said : 		#2

deb cdrom:[Ubuntu 7.10 _Gutsy Gibbon_ - Release i386 (20071016)]/ gutsy main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

# Line commented out by installer because it failed to verify:
#deb http://us.archive.ubuntu.com/ubuntu/ gutsy main restricted
# Line commented out by installer because it failed to verify:
#deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy main restricted

## Major bug fix updates produced after the final release of the
## distribution.
# Line commented out by installer because it failed to verify:
#deb http://us.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted
# Line commented out by installer because it failed to verify:
#deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted

## 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
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
# Line commented out by installer because it failed to verify:
#deb http://us.archive.ubuntu.com/ubuntu/ gutsy universe
# Line commented out by installer because it failed to verify:
#deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy universe
# Line commented out by installer because it failed to verify:
#deb http://us.archive.ubuntu.com/ubuntu/ gutsy-updates universe
# Line commented out by installer because it failed to verify:
#deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy-updates universe

## 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.
# Line commented out by installer because it failed to verify:
#deb http://us.archive.ubuntu.com/ubuntu/ gutsy multiverse
# Line commented out by installer because it failed to verify:
#deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy multiverse
# Line commented out by installer because it failed to verify:
#deb http://us.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse
# Line commented out by installer because it failed to verify:
#deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse

## Uncomment the following two lines to add software from the 'backports'
## repository.
## 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.
# deb http://us.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse

## 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.
# deb http://archive.canonical.com/ubuntu gutsy partner
# deb-src http://archive.canonical.com/ubuntu gutsy partner

# Line commented out by installer because it failed to verify:
#deb http://security.ubuntu.com/ubuntu gutsy-security main restricted
# Line commented out by installer because it failed to verify:
#deb-src http://security.ubuntu.com/ubuntu gutsy-security main restricted
# Line commented out by installer because it failed to verify:
#deb http://security.ubuntu.com/ubuntu gutsy-security universe
# Line commented out by installer because it failed to verify:
#deb-src http://security.ubuntu.com/ubuntu gutsy-security universe
# Line commented out by installer because it failed to verify:
#deb http://security.ubuntu.com/ubuntu gutsy-security multiverse
# Line commented out by installer because it failed to verify:
#deb-src http://security.ubuntu.com/ubuntu gutsy-security multiverse

Revision history for this message
Best Max Schukin (schukin) said : 		#3

Go to System => Administration => Software Sources and select the sources you want to use (you can choose them all).

Then run Application => Accessories => Terminal and enter:
sudo apt-get update

Revision history for this message
Enigma (enigmaaphrodite) said : 		#4

Thanks Max Schukin, that solved my question.

Revision history for this message
Enigma (enigmaaphrodite) said : 		#5

Wow.....THANK YOU!!!!!!!!!!!!!!

Revision history for this message
Max Schukin (schukin) said : 		#6

You're welcome =)

Revision history for this message
Lotus987 (jmansour80) said : 		#7

Mines Not working either.... Someone please help

deb cdrom:[Ubuntu 9.04 _Jaunty Jackalope_ - Release i386 (20090420.1)]/ jaunty main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://us.archive.ubuntu.com/ubuntu/ jaunty main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty-updates main restricted

## 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.
deb http://us.archive.ubuntu.com/ubuntu/ jaunty universe
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty universe
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-updates universe
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty-updates universe

## 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.
deb http://us.archive.ubuntu.com/ubuntu/ jaunty multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty multiverse
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-updates multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty-updates multiverse

## Uncomment the following two lines to add software from the 'backports'
## repository.
## 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.
# deb http://us.archive.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse

## 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.
# deb http://archive.canonical.com/ubuntu jaunty partner
# deb-src http://archive.canonical.com/ubuntu jaunty partner

deb http://security.ubuntu.com/ubuntu jaunty-security main restricted
deb-src http://security.ubuntu.com/ubuntu jaunty-security main restricted
deb http://security.ubuntu.com/ubuntu jaunty-security universe
deb-src http://security.ubuntu.com/ubuntu jaunty-security universe
deb http://security.ubuntu.com/ubuntu jaunty-security multiverse
deb-src http://security.ubuntu.com/ubuntu jaunty-security multiverse
## Avant Window Navigator
deb http://download.tuxfamily.org/syzygy42/ feisty avant-window-navigator
deb-src http://download.tuxfamily.org/syzygy42

Revision history for this message
pratap (pratappratap) said : 		#8

Add/remove is not opening
Software Sources also not opening ..plz help me ....

Revision history for this message
pratap (pratappratap) said : 		#9

Add/remove is not opening
Software Sources also not opening ..plz help me ....

Revision history for this message
Jeruvy (jeruvy) said : 		#10

Pratap,

Please do not post to a 'solved' question as many of us do not look at 'solved' questions. You will get better help if you post a NEW question and also please provide more details (version of ubuntu, error messages that appear when attempting, what your expecting, etc.).

Good luck.

Revision history for this message
kishorekumar.vittapu (kishorekumar-vittapu) said : 		#11

# deb cdrom:[Ubuntu 9.04 _Jaunty Jackalope_ - Release i386 (20090420.1)]/ jaunty main restricted
deb-src http://archive.ubuntu.com/ubuntu/ jaunty main restricted #Added by software-properties
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://us.archive.ubuntu.com/ubuntu/ jaunty main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty restricted main multiverse universe #Added by software-properties

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty-updates restricted main multiverse universe #Added by software-properties

## 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.
deb http://us.archive.ubuntu.com/ubuntu/ jaunty universe
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-updates universe

## 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.
deb http://us.archive.ubuntu.com/ubuntu/ jaunty multiverse
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-updates multiverse

## Uncomment the following two lines to add software from the 'backports'
## repository.
## 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.
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse

## 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.
# deb http://archive.canonical.com/ubuntu jaunty partner
# deb-src http://archive.canonical.com/ubuntu jaunty partner

deb http://security.ubuntu.com/ubuntu jaunty-security main restricted
deb-src http://security.ubuntu.com/ubuntu jaunty-security restricted main multiverse universe #Added by software-properties
deb http://security.ubuntu.com/ubuntu jaunty-security universe
deb http://security.ubuntu.com/ubuntu jaunty-security multiverse
deb http://us.archive.ubuntu.com/ubuntu/ jaunty-proposed restricted main multiverse universe