[Bug 1054861] Re: ubuntu says upgrades are available but they are not

[ill]

An icon in the system tray says "system updates are available". Then when I run apt-get upgrade:
$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

** Changed in: update-notifier (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1054861

Title:
  ubuntu says upgrades are available but they are not

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

Bug description:
  In the system tray an icon show up saying upgrades are available, but
  when I run apt-get upgrade, it says everything is up to date.

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