In xfce 4.8 pre /usr/share/applications/panel-desktop-handler.desktop breaks desktop-file-validate: $ desktop-file-validate /usr/share/applications/panel-desktop-handler.desktop /usr/share/applications/panel-desktop-handler.desktop: error: value "xfce4-panel --add=launcher '%F'" for key "Exec" in group "Desktop Entry" contains a reserved character ''' outside of a quote Fix: --- xfce4-panel-4.7.5.orig/panel-desktop-handler.desktop.in 2010-12-04 11:45:57.000000000 +0100 +++ xfce4-panel-4.7.5/panel-desktop-handler.desktop.in 2010-12-04 17:32:09.400087536 +0100 @@ -2,7 +2,7 @@ Type=Application _Name=Create Launcher on the panel _Comment=Add a new launcher to the panel based on the information of this desktop file -Exec=xfce4-panel --add=launcher '%F' +Exec="xfce4-panel --add=launcher '%F'" Icon=application-x-executable Terminal=false NoDisplay=true
Different fix in d4d0cb7.