I have the same thing in Trusty 14.04. Here is a screenshot of the window. It appeared after logging in. Before that, there had been an update of adobe-flashplugin.
** Attachment added: "Information-available.png" https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1621629/+attachment/4760767/+files/Information-available.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1621629 Title: package-data-downloader fails to process download requests To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1621629/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
