Could you add your .xsession-errors as requested before? did you try to press the mouse button for some seconds to start the move?
** Package changed: nautilus (Ubuntu) => unity (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1019531 Title: Can't move icon's position on the Launcher Status in “unity” package in Ubuntu: Incomplete Bug description: Version 12.04. The Launcher is supposed to allow you to move apps up and down the list by simply dragging the icon off the Launcher, and then dragging it back on at the desired position. This does not work - all icons are immovable on the Launcher! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1019531/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp