[Bug 414181] Re: "Install Updates" button does nothing when Update Manager opened by itself

[Alberto Salvia Novella]

The faulty behaviour will be because the packages list is outdated, and
could be reproduced like this:

1. From the application "software sources", change the update server.
2. Try to update the system using the "update manager" application.

Could you update the system doing this? If not, try this:

1. In the application "terminal", write "sudo apt-get update"
2. Try to update the system using the "update manager" application.

Does it work now? I'm all right this is the origin of the bug? because
it happened many time ago for me.

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https://bugs.launchpad.net/bugs/414181

Title:
  "Install Updates" button does nothing when Update Manager opened by
  itself

Status in One Hundred Paper Cuts:
  Confirmed
Status in Software Updater:
  Invalid
Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  Occurs in: Ubuntu 9.04, Ubuntu 10.04, Ubuntu 10.10, Ubuntu 12.04
  Does not occur in: Ubuntu 12.10

  Update manager loads periodically and informs of new updates available.  Clicking "Install Updates" button does nothing.
  The expected behavior (for this user) is that it ask for administrative password and then install the updates.
  However, if the "Check" button is clicked, then Admin Pass is requested, check is performed, and "Install Updates' button becomes active.

  Once learned this is only an annoyance.  If this is the correct
  behavior, the install updates button should be greyed or a notice
  given to recheck before installing.

  WORKAROUND:
  click "check updates" before clicking on "install"

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