I had the same problem. I found a workaround which might help someone until the problem is fixed.
Open up gconf-editor, go to apps -> deskbar and change the keybinding to whatevery you need e.g. for me "<Alt>space" -- Can't use <Alt>+Space to start Deskbar https://bugs.launchpad.net/bugs/88354 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug contact for deskbar-applet in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs