[Bug 950792] Re: Required package "ubuntu-desktop" "impossible to install" on distro upgrade

[Dallman Ross]

Reviewing the text that was automatically created and uploaded to report
this bug, I see it lists my platform as Maverick. That is false! I
upgraded normally with each new release and was on Oneiric until a few
days ago, when I upgraded to Precise.  I used the Update Manger to
perform the upgrade, and it went relatively normally.

I solved my problem as reported in this bug as follows: (a) one of the
messages says Skype was trying to uninstall itself but could not, as it
is uninstall-blacklisted.  I don't use Skype much and so I simply
uninstalled it using "apt-get remove" from the terminal.

Then I ran, from the GNOME terminal, 
"sudo apt-get update && sudo apt-get upgrade"

Then I ran the Update Manager again.  There were a few more things to
install -- I take it you are pushing individual package updates very
frequently now on the Precise beta, so that nearly every time I run
Update Manger there are updates of some kind even if I run it every
half-hour or something.  Anyway, they all installed without more errors.

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https://bugs.launchpad.net/bugs/950792

Title:
  Required package "ubuntu-desktop" "impossible to install" on distro
  upgrade

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  Update manager (last updated only an hour previously) showed more
  updates. I accepted the run after an interim reboot. "Partial upgrade"
  began, and then the message that the required package "ubuntu-desktop"
  was impossible to install and I should make a bug report.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.7
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
  Uname: Linux 3.2.0-18-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 1.94.1-0ubuntu1
  Architecture: amd64
  Date: Fri Mar  9 13:21:36 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to precise on 2012-03-09 (0 days ago)

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