Questions tagged [software-center]

The Ubuntu Software Center gives you instant access to thousands of open-source and carefully selected free applications.

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168
votes
4answers
652k views

How do I enable the “Universe” repository?

How do I get to the Universe Repository in supported versions of Ubuntu?
25
votes
2answers
5k views

How do I install software using the Ubuntu Software Center?

The title says it all. I'd like to know how I can install software - an example is the Chromium web browser.
53
votes
3answers
270k views

How do I enable the “multiverse” repository?

I keep seeing places refer to the "multiverse" repository as a place I can get software, how can I enable this repository? Please specify how to do this graphically and via command line.
118
votes
4answers
129k views

How do I deal with “unauthenticated sources” errors in the Software Center?

Any install that I'm trying through the Software Center is telling me: Requires installation of untrusted packages: The action would require the installation of packages from not authenticated ...
20
votes
3answers
102k views

Can I uninstall and reinstall Ubuntu Software Center?

Since migrating to a true install and upgrading to 12.04 I have had several problems that seem to relate to the Ubuntu Software Center. Hanging at applying changes and blank screen on screen lock only ...
53
votes
8answers
120k views

Problem with .deb packages on Ubuntu 16.04

This bug has now been fixed upstream. An update has been issued. If you still cannot install, ensure you have updated fully, and then restart your computer. I am trying to install downloaded DEB ...
3
votes
0answers
2k views

Software center not opening [duplicate]

Possible Duplicate: Software Center empty “No usefulness from server” “no username in config file” I can't open the software center. Is there anything I can do to get it to start? $ software-...
54
votes
7answers
115k views

How do I enable the “partner” repository?

I keep seeing places refer to the "partner" repository as a place I can get software, how can I enable this repository? Please specify how to do this graphically and via command line.
15
votes
3answers
18k views

Fixing software center catalog

I'm new to Ubuntu, it looks like it is better than Windows. Last day I tried to install Kget (the download manager) but during the process my computer suddenly stopped working. So I had to switch it ...
18
votes
5answers
156k views

'Some index files failed to download' while updating

When running sudo apt-get update I get these following errors: Err archive.ubuntu.com quantal InRelease Err archive.ubuntu.com quantal-updates InRelease Err archive.ubuntu.com quantal-backports ...
19
votes
9answers
99k views

The new software center in Ubuntu 16.04 shows no application data found

This is the error I get when I open the software center. I've tried rebooting and running sudo apt-get update but I see no improvement. It worked earlier but I don't know what went wrong since then. I'...
18
votes
1answer
5k views

Why are there 2 packages for some applications (e.g. Chromium) in Ubuntu Software?

When I search for Chromium in Ubuntu Software on Ubuntu 16.04, There are 2 options. Which one should I select? The same can be observed with VLC media player, Clementine, Inkscape etc.
13
votes
3answers
48k views

sudo apt update always giving Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)

So I am on my college network which requires me to sign in to the browser before I start using the internet. I do so succesfully but on a clean install of Ubuntu, when I try to do sudo apt update, I ...
62
votes
11answers
9k views

Why can't I update applications without upgrading the whole OS?

In Ubuntu, once a release is out the software one has installed receives security updates only. In Windows, I can get new versions of programs with new features. How can Windows do this and why can't ...
23
votes
3answers
53k views

How to burn an Ubuntu ISO image on a DVD on Ubuntu?

I have a Ubuntu image file (.iso) and I'd like to burn the image file into a DVD, is there any software for this purpose on Ubuntu?
58
votes
6answers
178k views

How to make ttf-mscorefonts-installer package download fonts, after it says it installed?

When I install "Installer for Microsoft TrueType core fonts" (ttf-mscorefonts-installer) from the Software Center on 14.04, it gives a positive response--but after this I get a download error. It ...
24
votes
9answers
44k views

Dropbox install stuck at 99%, how do I fix it? (and any dpkg errors)

I tried to install Dropbox using How to install Dropbox?, or with apt-get install nautilus-dropbox. Dropbox loads until 99% and then hangs, causing the system to go to 100% cpu usage. If I reboot or ...
9
votes
3answers
15k views

Why are there so many console messages from GTK+ applications?

I tried to open Software Center using the command line software-center and it did work. I mean, Software Center opened and works fine, BUT, at the same time, in the Terminal window I see a lot of ...
5
votes
0answers
6k views

How to fix 'Check your Internet connection' error in software center? [duplicate]

Possible Duplicate: Failed to download package files error I have a problem with the Software Center. I am not able to install anything from it. After I entered my authorisation password it gives ...
12
votes
7answers
41k views

How can I update Ubuntu offline without using Synaptic or Keryx?

I use Ubuntu 12.04 at my home and have good internet connection and my system works fine. One of my friend is having small office and he is thinking to switch from Windows to Ubuntu 11.10 or above. ...
17
votes
5answers
32k views

gnome-software on Ubuntu 16.04 doesn't work

After plain installation of Ubuntu 16.04 LTS gnome-software doesn't work. It has opened once with GUI, but installation of Unity Tweak Tool didn't finish. When starting again, GUI doesn't come up. ...
41
votes
3answers
67k views

How do I enable the “backports” repository?

How to enable the backports repository so I can get newer versions of software?
26
votes
6answers
77k views

“Software can't be installed or removed because the authentication service is not available. ”

I have 12.10 ubuntu and when I try to remove / install programs I get notification : Software can't be installed or removed because the authentication service is not available. (org.freedesktop....
202
votes
10answers
429k views

What PDF viewers are available for Ubuntu?

Every second e-mail I get suggests to download Adobe Acrobat reader, but adobe.com doesn’t provide a Linux version. Which PDF Viewer are there available for Ubuntu? I’m fine with partial solutions, a ...
51
votes
4answers
202k views

How to resolve “Failed to download repository information”?

Whenever I try to install anything with the Ubuntu Software Center, the following error appears. Failed to download repository information Check your Internet connection. E:Unable to ...
47
votes
4answers
12k views

How can I set the Software Center to install software for non-root users?

How can I set the Software Center to allow non-root users to install stuff from the Ubuntu repos without having to type in their password? I'm fully aware of the security implications, and I am ...
8
votes
2answers
9k views

Cannot install any software from the Software Center due to ttf-mscorefonts-installer package error

When I try to install any software from ubuntu software center it comes with error: An unhandled error occured There seems to be a programming error in aptdaemon. This is the software that allows you ...
19
votes
9answers
214k views

How to configure proxy authentication to work with Ubuntu Software Center?

I have tried put in apt config Acquire::http::proxy, and in Network>Network proxy with and without user:password@server:port and using environment variables http_proxy and https_proxy. Nothing seems ...
31
votes
3answers
559k views

How to install Synaptic Package Manager?

I tried to install Synaptic Package Manager but I get the following error message: Package dependencies cannot be resolved. This error could be caused by required additional software packages which ...
35
votes
7answers
8k views

How to remove the “For Purchase” section from the Software Center?

The Software Center has a section of For Purchase programs —see screenshot below—, which is annonying me every time I want to install something. Is there any way to remove or hide these ...
31
votes
7answers
27k views

Software and Updater consumes 100% CPU in Ubuntu 16.04

I've upgraded my laptop (Lenovo Z50-70) which has an i7 CPU and 8Gigs of Ram to Ubuntu 16.04 from 15.10. I've been installing updates consistently. I'm using ubuntu with Gnome desktop environment (GDM)...
8
votes
2answers
15k views

How to reinstall many removed packages at once?

I used sudo apt-get remove python command and accidently removed a bunch of packages that were required. I logged in via command line and installed ubuntu-desktop again but there are other packages ...
29
votes
7answers
8k views

Why the software center doesn't allow multiple downloads?

I was wondering why the software center doesn't download all the requested apps and install one by one as they finish to download. Or instead why the software center doesn't download an app while the ...
5
votes
6answers
9k views

Ubuntu 16.04 software center doesn't have many apps

I have just installed Ubuntu 16.04 32-bit. When I opened its software store, I found that it's not showing the apps I installed in Ubuntu 15.10 like Clementine, Gdebi package installer or synaptic ...
2
votes
3answers
6k views

Finding package name of installed software

Since I have not been able to open Dash Home in 12.04.4 see Dash Home will not open, I am hoping for a work-around. Is there another convenient way to open apps/programs without having to search ...
28
votes
4answers
88k views

How to list user installed applications (not packages)?

Not packages and not all applications. Just the applications user installed by himself from whatever source (Software Center, manually added PPA, etc.). If the above is not possible - a list of all ...
29
votes
2answers
11k views

Should I install programs from a source tarball (`.tar.gz`), from the Ubuntu Software Centre, or from elsewhere?

There are several ways to install an application in Ubuntu: You can download a source tarball (generally a .tar.gz or a .tar.bz2 file) and install it manually. (See How do I install a .tar.gz (or ....
19
votes
5answers
119k views

How to install Opera Browser?

I am trying to install opera browser from the terminal. I downloaded the 'debian' installer because it didn't show up in software center. It completely destroyed my software center - it is frozen ...
10
votes
3answers
21k views

How to I fix software center after installing the Linux Mint MATE desktop?

I installed the MATE desktop using this manual but now i can't open my Ubuntu Software Center and can't open the settings from the update manager. I removed mate desktop but it doesn't fix the ...
12
votes
2answers
3k views

What is the difference between “vlc” and “VLC media player” in Ubuntu Software in Ubuntu 16.04? [duplicate]

I want to install VLC using a GUI but I don't know which one I should choose.
7
votes
3answers
102k views

New “Ubuntu Software” not working (16.04)

After upgrading to Ubuntu 16.04, I tried to use the new software center that came along with it, but I found it to have a few issues. One, it didn't detect all the applications I had previously ...
3
votes
1answer
16k views

How to correctly install Compiz on Xfce 4.12?

As I understand, Compiz can be installed as the compositing-manager on various desktop environments. I am using Ubuntu Studio 15.10 with XFCE 4.12 and I want to install Compiz in its basic ...
5
votes
2answers
3k views

16.04 ubuntu single sign on 'wrong e-mail or password'

Apparantly, one needs an Ubuntu SSO account for installing Snaps in 16.04 through ubuntu software (see this link). That's fine with me, but it keeps telling me that my username or password is wrong ...
1
vote
1answer
16k views

can't install software--can I fix missing dpkg?

New software can't be installed, because there is a problem with the software currently installed. Do you want to repair now? hit Repair Package operation failed The installation or removal of a ...
18
votes
3answers
142k views

APT way to get Adobe Flash Player latest version for Linux not working

I am running Ubuntu 14.10 and I am trying to get the latest version of Adobe Flash Player for Linux (which apparently is 11.2), I am selecting the option for APT for Ubuntu 10.04+ here: But when I ...
5
votes
3answers
25k views

Access Windows 7 Files from Ubuntu 12.04

I'm new to Ubuntu, so can any of you give me a guide of how I can access my windows 7 files from my Ubuntu 12. I installed it using Wubi. Looked around everywhere but failed.
11
votes
4answers
40k views

Software Center won't open at all

I am new user for Ubuntu and i use Ubuntu 16.04 LTS version. My problem is that I can not open software center. It can open before. After update and install some application, can't open software ...
5
votes
2answers
13k views

Is there any safe way to remove GNOME Software in 16.04 and install the classic Ubuntu Software Center?

GNOME Software (the default software center in Ubuntu 16.04, also called Ubuntu Software) is annoying! It keeps checking for updates and throws pop-ups in my face the whole day and thus mooches my net ...
23
votes
3answers
2k views

What is the process for getting paid apps into the Ubuntu Software Center?

What is the process for getting paid apps into the Ubuntu Software Center?
13
votes
2answers
18k views

When I try to install vscode, snapd shows error code 400

I've just tried installing vscode from the software center. Here's what happened: I was asked to register to Ubuntu One. I was asked for authentication, in Turkish. This is a new Entroware laptop ...