Ubuntu
ubuntu-release-upgrader package

Can't install ubuntu-release-upgrader-qt because it requires ubuntu-release-upgrader-core (= 1:20.04.18) and the latest focal release has 1:20.04.28

Asked by Mehul Panchal

$ sudo apt install ubuntu-release-upgrader-qt

Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ubuntu-release-upgrader-qt : Depends: ubuntu-release-upgrader-core (= 1:20.04.18) but 1:20.04.28 is to be installed
E: Unable to correct problems, you have held broken packages.

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Ubuntu ubuntu-release-upgrader Edit question
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Solved by:
Manfred Hampl
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actionparsnip (andrew-woodhead666) said : 		#1

What is the output of:

lsb_release -a; uname -a; apt-cache policy ubuntu-release-upgrader-qt ubuntu-release-upgrader-core

Thanks

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Mehul Panchal (doubleoseven) said : 		#2

# lsb_release -a; uname -a; apt-cache policy ubuntu-release-upgrader-qt ubuntu-release-upgrader-core
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
Linux dell 5.4.0-52-generic #57-Ubuntu SMP Thu Oct 15 10:57:00 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
ubuntu-release-upgrader-qt:
  Installed: (none)
  Candidate: 1:20.04.18
  Version table:
     1:20.04.18 500
        500 http://archive.ubuntu.com/ubuntu focal/universe amd64 Packages
        500 http://archive.ubuntu.com/ubuntu focal/universe i386 Packages
ubuntu-release-upgrader-core:
  Installed: 1:20.04.28
  Candidate: 1:20.04.28
  Version table:
 *** 1:20.04.28 100
        100 /var/lib/dpkg/status
     1:20.04.18 500
        500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu focal/main i386 Packages

Revision history for this message
Best Manfred Hampl (m-hampl) said : 		#3

ubuntu-release-upgrader-qt version 1:20.04.28 in in focal-updates

It seems that you had that repository enabled once, and now it is disabled.

I suggest that you re-enable it, install all available updates and try again.

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Mehul Panchal (doubleoseven) said : 		#4

I've just added focal-updates, So now should I turn off this one --> http://archive.ubuntu.com/ubuntu focal/main amd64 Packages

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Mehul Panchal (doubleoseven) said : 		#5

Thanks Manfred Hampl, that solved my question.

Revision history for this message
Manfred Hampl (m-hampl) said : 		#6

You should leave http://archive.ubuntu.com/ubuntu focal main enabled, or you will run into similar problems as the one you just had.