While running the command sudo apt-get upgrade I get this msg
"Failed to authenticate the following packages"
AVISO: ¡No se han podido autenticar los siguientes paquetes!
libnautilus-extension1 libndesk-dbus1.0-cil libsoup2.4-1 libsoup-gnome2.4-1
libwebkit-1.0-common libwebkit-1.0-2 nautilus nautilus-data notify-osd
Fixd
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