[Bug 899041] Re: I could not update some packages, my login screen and ubuntu appearance changed, volume icon is disabled

[Zubair Shams]

When i run the command 'sudo apt-get update', this error occurs


W: GPG error: http://pk.archive.ubuntu.com natty-updates Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>

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https://bugs.launchpad.net/bugs/899041

Title:
  I could not update some packages, my login screen and ubuntu
  appearance changed, volume icon is disabled

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

Bug description:
  My volume icon is disappeared, sound does not work, sudo apt-get
  update doesn't work and sometimes synaptic manager does not open.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.5.1
  ProcVersionSignature: Ubuntu 2.6.38-13.52-generic-pae 2.6.38.8
  Uname: Linux 2.6.38-13-generic-pae i686
  NonfreeKernelModules: fglrx
  Architecture: i386
  Date: Fri Dec  2 14:41:34 2011
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=oneiric
   /apps/update-manager/first_run=false
   /apps/update-manager/window_size=(600,600)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-12-02 (0 days ago)

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