Ok it's working now. Thank you Marco Trevisan. I Used DCONF TOOL ( in com/canonical/Unity/Launcher) and added the new favorite ( 'unity://desktop-ico' ) : Default key looks this way now:
['application://ubiquity-gtkui.desktop', 'application://nautilus- home.desktop', 'application://firefox.desktop', 'application ://libreoffice-writer.desktop', 'application://libreoffice- calc.desktop', 'application://libreoffice-impress.desktop', 'application ://ubuntu-software-center.desktop', 'application://ubuntuone- installer.desktop', 'application://ubuntu-amazon-default.desktop', 'application://UbuntuOneMusiconeubuntucom.desktop', 'application ://gnome-control-center.desktop', 'unity://running-apps', 'unity://expo- icon', 'unity://desktop-icon', 'unity://devices'] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/681348 Title: Build "show me the desktop" mini-app that adds a show desktop button to Launcher To manage notifications about this bug go to: https://bugs.launchpad.net/ayatana-design/+bug/681348/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs