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I've recently updated my 14.10 installation to 15.04 (it went even smoother than I expected). After installation, running the Software Updater showed this:

upgrade_window

Pressing "Partial Upgrade" asks for my password, shows the standard upgrade window, but then closes and this shows up:

upgrade_error

If I click on "Continue", it simply tells me that "all software is up to date".

upgrade_up_to_date

Can I do anything about this? Maybe it didn't fully install even though it claims it did? (I am also noticing screen tearing, which should've been fixed in the update, so that could be an indicator for that.)

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  • Press Partial Upgrade. Apr 23, 2015 at 20:03
  • The first "Continue" was meant to say "Partial Upgrade" (my bad, I've edited the question). If I press Partial Upgrade, it shows what you see in the first screenshot.
    – Luka Kotar
    Apr 23, 2015 at 20:11
  • In response to your comment in the answer, the command is sudo dpkg --configure -a. Apr 23, 2015 at 21:46

1 Answer 1

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I think the answer is in the first screenshot you sent: "A previous upgrade which didn't complete". Could you open a terminal and issue:

$ sudo apt-get update
$ sudo apt-get upgrade

If it shows error (you may) run

$ sudo apt-get -f install

or

$ sudo dpkg --configure -a

depending on the type of problem that apt found (it will suggest you what to pick). Sometimes the Software Updater is not enough to fully upgrade packages.

In any doubts just post it here.

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  • I've already tried running update and upgrade (with no success). | sudo apt-get upgrade simply returns this. | sudo apt-get -f install provides a similar output, only without listing the names of the 8 packages. | sudo dpkg-reconfigure -a doesn't execute at all. (-a is not a valid option.) Running dpkg-reconfigure on the above packages didn't make a difference either.
    – Luka Kotar
    Apr 23, 2015 at 20:46
  • Turns out I had to run sudo apt-get dist-upgrade. Thanks for the help!
    – Luka Kotar
    Apr 23, 2015 at 23:26
  • My mistake, I entered "sudo dpkg-reconfigure -a" and what I really wanted to say is "sudo dpkg --configure -a". D'oh! Glad you find a solution. :-) Apr 24, 2015 at 21:43

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