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OK, I'm trying to update my current installation 17.10 (it was a fresh instalation) and I'm following the ubuntu tutorial to update (This one) . But when I open the Software Updater gives me this error:

Failed to download repository information. Check your Internet connection.

Information give this:

E: The repository 'http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu artful Release' does not have a Release file.

I've already unchecked the PPA in the Update options but after that Software Updater says Your computer it's up to date

Also tried update-manager -c & sudo do-release-upgrade -cd but prompt gives me "Checking for a new Ubuntu release Upgrades to the development release are only available from the latest supported release."

And when /usr/lib/ubuntu-release-upgrader/check-new-release-gtk nothing ocurrs, just

PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk
WARNING:root:timeout reached, exiting
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  • First I had the same problem (Your computer is Up-To-Date), but later (after few days), the upgrade was automatically available (Message-Box was shown, something like: Would you like to upgrade?)... – Ben May 16 '18 at 15:57
  • Are you sure your Internet connection (including DNS) is working correctly? i.e., can you sudo ping the respository in Terminal? – SDsolar May 16 '18 at 21:50
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Change the repository...

http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu artful Release

to read...

http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu bionic Release

And in Software & Updates, make sure this is not selected...

enter image description here

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  • So simple and helpful, thanks that solve the issue. I'vs just change both ppas, normal and Source and after the updates the message appeared. So much thanks. – Acasi May 16 '18 at 17:20

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