The problem doesn't appear anymore. I'll mark this bug as invalid.
** Changed in: update-manager (Ubuntu)
Status: New => Invalid
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Update Manager says updates are available even though they aren't
https://bugs.launchpad.net/bugs/588710
You received this bug notification because you are a
** Attachment added: "Screenshot-Update Manager.png"
http://launchpadlibrarian.net/49555456/Screenshot-Update%20Manager.png
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/49555327/Dependencies.txt
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Update Manager says updates are available even though they aren't
