Looks like the package partially downloaded or download got interrupted? Nothing in the Humanity packaging changed recently. Probably an update manager bug.
** Package changed: humanity-icon-theme (Ubuntu) => update-manager (Ubuntu) ** Changed in: update-manager (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/685463 Title: package humanity-icon-theme 0.5.2.1 failed to install/upgrade: corrupted filesystem tarfile - corrupted package archive -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs