6 580 400 Software Preferences GTK_WINDOW_TOPLEVEL GTK_WIN_POS_CENTER False True False True False False GDK_WINDOW_TYPE_HINT_NORMAL GDK_GRAVITY_NORTH_WEST True False True False 0 6 True True True True GTK_POS_TOP False False 12 True False 12 True 0 0.5 GTK_SHADOW_NONE True 0.5 0.5 1 1 6 0 12 0 True False 6 True True GTK_POLICY_AUTOMATIC GTK_POLICY_AUTOMATIC GTK_SHADOW_IN GTK_CORNER_TOP_LEFT True True False True False True False False False 0 True True True GTK_BUTTONBOX_START 6 True True True gtk-add True GTK_RELIEF_NORMAL True True True True gtk-remove True GTK_RELIEF_NORMAL True True True True gtk-edit True GTK_RELIEF_NORMAL True True True True GTK_RELIEF_NORMAL True True 0.5 0.5 0 0 0 0 0 0 True False 2 True gtk-cdrom 4 0.5 0.5 0 0 0 False False True Add _Cdrom True False GTK_JUSTIFY_LEFT False False 0.5 0.5 0 0 PANGO_ELLIPSIZE_NONE -1 False 0 0 False False 0 False True True <b>Channels</b> False True GTK_JUSTIFY_LEFT False False 0.5 0.5 0 0 PANGO_ELLIPSIZE_NONE -1 False 0 label_item 0 True True False True True Installation Media False False GTK_JUSTIFY_LEFT False False 0.5 0.5 0 0 PANGO_ELLIPSIZE_NONE -1 False 0 tab 12 True 0 0.5 GTK_SHADOW_NONE True 0.5 0.5 1 1 6 0 12 0 True False 6 True False 6 True True _Check for updates automatically: True GTK_RELIEF_NORMAL True False False True 0 False True True False True 0 True True 0 False False True True _Download updates in the background, but do not install them True GTK_RELIEF_NORMAL True False False True 0 False False True Only security updates from the official Ubuntu servers will be installed automatically True _Install security updates without confirmation True GTK_RELIEF_NORMAL True False False True 0 False False False 6 True True D_elete downloaded software files: True GTK_RELIEF_NORMAL True False False True 0 False True True False True 0 True True 0 False True True <b>Internet updates</b> False True GTK_JUSTIFY_LEFT False False 0.5 0.5 0 0 PANGO_ELLIPSIZE_NONE -1 False 0 label_item False True True Internet Updates False False GTK_JUSTIFY_LEFT False False 0.5 0.5 0 0 PANGO_ELLIPSIZE_NONE -1 False 0 tab 12 True 0 0.5 GTK_SHADOW_NONE True 0.5 0.5 1 1 6 0 12 0 True False 6 True True GTK_POLICY_AUTOMATIC GTK_POLICY_AUTOMATIC GTK_SHADOW_IN GTK_CORNER_TOP_LEFT True True False True False True False False False 0 True True True False 6 True Restore the default keys of your distribution True Restore _Defaults True GTK_RELIEF_NORMAL True 0 False False True True gtk-remove True GTK_RELIEF_NORMAL True 0 False False GTK_PACK_END True Import the public key from a trusted software provider True _Import Key File True GTK_RELIEF_NORMAL True 0 False False GTK_PACK_END 0 False True True <b>Keys</b> False True GTK_JUSTIFY_LEFT False False 0.5 0.5 0 0 PANGO_ELLIPSIZE_NONE -1 False 0 label_item False True True Authentication False False GTK_JUSTIFY_LEFT False False 0.5 0.5 0 0 PANGO_ELLIPSIZE_NONE -1 False 0 tab 0 True True 6 True GTK_BUTTONBOX_EDGE 0 True True True gtk-help True GTK_RELIEF_NORMAL True True True True gtk-close True GTK_RELIEF_NORMAL True 0 False True