This seems like corruption happened at some point. Please try to reinstall/remove the package and see if that fixed the issue.
Thanks!. ** Changed in: network-manager-applet (Ubuntu) Status: New => Incomplete ** Changed in: network-manager-applet (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/712266 Title: package network-manager-gnome 0.8-0ubuntu3 failed to install/upgrade: unable to securely remove '/usr/share/icons/hicolor/scalable/apps /notification-network-wireless-full.svg.dpkg-tmp': Input/output error -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs