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']
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: //UbuntuOneMusi coneubuntucom. desktop' , 'application: //gnome- control- center. desktop' , 'unity: //running- apps', 'unity: //expo- icon', 'unity: //desktop- icon', 'unity://devices']