I've just updated the system and the problem has been solved.
# apt update && apt upgrade
The following package was automatically installed and is no longer required:
libopenh264-2
Use 'sudo apt autoremove' to remove it.
The following NEW packages will be installed:
gcc-7-base gcc-7-base:i386 glusterfs-common libacl1-dev libattr1-dev
libboost-random1.62.0 libboost-thread1.62.0 libcephfs1 libibverbs1
libnl-route-3-200 libqt5multimedia5 librdmacm1 liburcu4
The following packages will be upgraded:
ghostscript gir1.2-gst-plugins-base-1.0 gir1.2-gstreamer-1.0
grilo-plugins-0.3 gstreamer1.0-alsa gstreamer1.0-plugins-bad
gstreamer1.0-plugins-base gstreamer1.0-plugins-good
gstreamer1.0-pulseaudio
gstreamer1.0-x libatomic1 libc-bin libc-dev-bin libc-l10n libc6
libc6:i386
libc6-dev libcc1-0 libcilkrts5 libcwidget3v5 libdebconfclient0 libedit2
libgcc1 libgcc1:i386 libgomp1 libgraphite2-3 libgrilo-0.3-0 libgs9
libgs9-common libgstreamer-plugins-bad1.0-0
libgstreamer-plugins-base1.0-0
libgstreamer1.0-0 libinput-bin libinput10 libitm1 liblsan0 libmpx2
libnss-myhostname libopenmpt0 libpam-systemd libquadmath0 libsmbclient
libsndfile1 libstdc++6 libsystemd0 libtracker-sparql-1.0-0 libtsan0
libubsan0 libudev1 libwbclient0 libwmf-bin libwmf0.2-7
linux-compiler-gcc-6-x86 linux-libc-dev locales mkvtoolnix mkvtoolnix-gui
multiarch-support publicsuffix python-chardet python-pkg-resources
python-samba python-setuptools python3-chardet python3-markupsafe
python3-pkg-resources python3-setuptools samba samba-common
samba-common-bin
samba-libs samba-vfs-modules systemd systemd-sysv udev
75 upgraded, 13 newly installed, 0 to remove and 0 not upgraded.
Thanks!
Aniol
