Ubuntu: Software Updater quits before updating software [duplicate]


This question already has an answer here:

I currently have 13.10 Saucy Salamander installed, and I'm following this guide in order to update: https://help.ubuntu.com/community/TrustyUpgrades

I got as far as step 6, click the Check button for new updates. There is no Check button, only Settings, Remind Me Later, and Install Now. When I click Install Now, a box comes up saying "To install or remove software, you need to authenticate". I type in my password and hit enter. Another box comes up saying:

Software Updater  Requires installation of untrusted packages  This requires installing packages from unauthenticated sources.  

with the options Settings and OK. I click OK and the box just...goes away. Nothing else happens. Nothing is downloaded, the Software Updater doesn't come back, nothing. When I open Software Updater again, the whole process has to be started again.

What am I doing wrong here?

Command Line Method

sudo apt-get update  

returns a bunch of lines of code but ends with this:

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?  

I ran:

sudo apt-get update --fix-missing   

that also returns a bunch of lines of code but ends with this:

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

Finally, sudo apt-get upgrade returns the same error as sudo apt-get update:

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?  


As out of my comments the solution that worked for you is to disable ppas that you have added before an upgrade to newer version.

As stated if you're trying to upgrade to 14.04 some of the packages and ppas can be no longer available in 14.04 they have been stopped in developing or replaced with others that 14.04 requires. The best is to disable all those ppas that you have added to Software & Updates in System Settings you can find that for example:

enter image description here

Unmark ppas corresponding to Launchpad and then run do-release-upgrade -c -d there you'll be listed with possible actions to upgrade. And if you need some of those packages from those ppas that you have disabled you can check it in Launchpad for example this ppa as you can see its developing has been stopped since 12.10 version of Ubuntu though you can still run it in Ubuntu 14.04 you just have to find another ppa with current package like this one or install it manually from .deb file.


Try the following codes in the terminal:

sudo apt-get update && sudo apt-get upgrade

Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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