[Bug 890344] Re: Update manager "Could not initialise the package information"

[RyGuyS]

Paulo's desctiption is exactly what I have been running into.
This started yesterday, after I installed, or tried to install "Privoxy".
I am still new to Ubuntu, but I have been able to solve all the other problems I ran into by checking blogs.
This is the first wall I have run into since a year ago when I switched from an operating system know as W...

Someone please point me in the right direction.

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https://bugs.launchpad.net/bugs/890344

Title:
  Update manager "Could not initialise the package information"

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

Bug description:
  Ubuntu 11.10 with Gnome shell and i was just after adding the
  following repositories in Terminal and i noticed the source list would
  not update.

  sudo add-apt-repository ppa:gnome3-team/gnome3

  sudo add-apt-repository ppa:ricotz/testing

  sudo add-apt-repository ppa:webupd8team/gnome3

  On opening update-manager I got the following error message.

  Could not initialise the package information

  An unresolvable problem occurred while initialising the package
  information.

  Please report this bug for the 'update-manager' package and try to
  include the following error message:

  'W:Ignoring file 'getdeb.list.bck' in directory
  '/etc/apt/sources.list.d/' as it has an invalid filename extension,
  E:Type ‘//ppa.launchpad.net/gnome3-team/gnome3/ubuntu’ is not known on
  line 2 in source list /etc/apt/sources.list.d/gnome3-team-
  gnome3-oneiric.list, E:The list of sources could not be read.,
  W:Ignoring file 'getdeb.list.bck' in directory
  '/etc/apt/sources.list.d/' as it has an invalid filename extension,
  W:Ignoring file 'getdeb.list.bck' in directory
  '/etc/apt/sources.list.d/' as it has an invalid filename extension,
  E:The package lists or status file could not be parsed or opened.

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