[Bug 1070035] [NEW] Can't install 'kubuntu-netbook'

[Fibonacci]

Public bug reported:

I'm trying to upgrade to Kubuntu 12.10 and I'm getting this error
message:

Can't install 'kubuntu-netbook'
It was impossible to install a required package. Please report this as a bug using 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

Then I'm given the option to either close the window or report the bug.
Closing the window results in the following error message:

Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade: The package 'kubuntu-desktop' is marked for removal but it is in the removal blacklist. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

Running 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal results
in the following error:

Package ubuntu-release-upgrader-core does not exist

The upgrade, thus, never goes beyond "Setting new software channels",
and I'm stuck on 12.04.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1070035

Title:
  Can't install 'kubuntu-netbook'

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  I'm trying to upgrade to Kubuntu 12.10 and I'm getting this error
  message:

  Can't install 'kubuntu-netbook'
  It was impossible to install a required package. Please report this as a bug using 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

  Then I'm given the option to either close the window or report the
  bug. Closing the window results in the following error message:

  Could not calculate the upgrade
  An unresolvable problem occurred while calculating the upgrade: The package 'kubuntu-desktop' is marked for removal but it is in the removal blacklist. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

  Running 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal
  results in the following error:

  Package ubuntu-release-upgrader-core does not exist

  The upgrade, thus, never goes beyond "Setting new software channels",
  and I'm stuck on 12.04.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1070035/+subscriptions