I have found that is a problem with my profile.
I have created a “user2” and it boots fine but here it is my .xsession
cat .xsession-errors
dbus-update-activation-environment: setting DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
dbus-update-activation-environment: setting DISPLAY=:0
dbus-update-activation-environment: setting XAUTHORITY=/home/user/.Xauthority
dbus-update-activation-environment: setting GTK_MODULES=appmenu-gtk-module:gail:atk-bridge:canberra-gtk-module
dbus-update-activation-environment: setting QT_ACCESSIBILITY=1
dbus-update-activation-environment: setting LC_MEASUREMENT=pt_PT.UTF-8
dbus-update-activation-environment: setting LC_PAPER=pt_PT.UTF-8
dbus-update-activation-environment: setting LC_MONETARY=pt_PT.UTF-8
dbus-update-activation-environment: setting LANG=en_US.UTF-8
dbus-update-activation-environment: setting GDM_LANG=en_US
dbus-update-activation-environment: setting DISPLAY=:0
dbus-update-activation-environment: setting COMPIZ_CONFIG_PROFILE=mate
dbus-update-activation-environment: setting GTK_OVERLAY_SCROLLING=0
dbus-update-activation-environment: setting MANDATORY_PATH=/usr/share/gconf/mate.mandatory.path
dbus-update-activation-environment: setting LC_NAME=pt_PT.UTF-8
dbus-update-activation-environment: setting XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/user
dbus-update-activation-environment: setting USER=user
dbus-update-activation-environment: setting DESKTOP_SESSION=mate
dbus-update-activation-environment: setting DEFAULTS_PATH=/usr/share/gconf/mate.default.path
dbus-update-activation-environment: setting QT_QPA_PLATFORMTHEME=gtk2
dbus-update-activation-environment: setting PWD=/home/user
dbus-update-activation-environment: setting HOME=/home/user
dbus-update-activation-environment: setting LC_CTYPE=pt_PT.UTF-8
dbus-update-activation-environment: setting QT_ACCESSIBILITY=1
dbus-update-activation-environment: setting LIBVIRT_DEFAULT_URI=qemu:///system
dbus-update-activation-environment: setting XDG_SESSION_TYPE=x11
dbus-update-activation-environment: setting XDG_DATA_DIRS=/usr/share/mate:/usr/local/share:/usr/share:/var/lib/snapd/desktop
dbus-update-activation-environment: setting XDG_SESSION_DESKTOP=mate
dbus-update-activation-environment: setting LC_ADDRESS=pt_PT.UTF-8
dbus-update-activation-environment: setting LC_NUMERIC=pt_PT.UTF-8
dbus-update-activation-environment: setting GTK_MODULES=appmenu-gtk-module:gail:atk-bridge:canberra-gtk-module
dbus-update-activation-environment: setting UBUNTU_MENUPROXY=1
dbus-update-activation-environment: setting SHELL=/bin/bash
dbus-update-activation-environment: setting XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
dbus-update-activation-environment: setting IM_CONFIG_PHASE=1
dbus-update-activation-environment: setting XDG_CURRENT_DESKTOP=MATE
dbus-update-activation-environment: setting GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
dbus-update-activation-environment: setting SHLVL=1
dbus-update-activation-environment: setting LANGUAGE=en_US
dbus-update-activation-environment: setting LC_TELEPHONE=pt_PT.UTF-8
dbus-update-activation-environment: setting GDMSESSION=mate
dbus-update-activation-environment: setting LOGNAME=user
dbus-update-activation-environment: setting DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
dbus-update-activation-environment: setting XDG_RUNTIME_DIR=/run/user/1000
dbus-update-activation-environment: setting XAUTHORITY=/home/user/.Xauthority
dbus-update-activation-environment: setting XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
dbus-update-activation-environment: setting XDG_CONFIG_DIRS=/etc/xdg/xdg-mate:/etc/xdg
dbus-update-activation-environment: setting PATH=/home/user/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
dbus-update-activation-environment: setting LC_IDENTIFICATION=pt_PT.UTF-8
dbus-update-activation-environment: setting LC_TIME=pt_PT.UTF-8
dbus-update-activation-environment: setting _=/usr/bin/dbus-update-activation-environment
mate-session[4132]: WARNING: Could not parse desktop file /home/user/.config/autostart/rambox.desktop: File is not a valid .desktop file
mate-session[4132]: GLib-GObject-CRITICAL: object GsmAutostartApp 0x7fc270006d00 finalized while still in-construction
mate-session[4132]: GLib-GObject-CRITICAL: Custom constructor for class GsmAutostartApp returned NULL (which is invalid). Please use GInitable instead.
mate-session[4132]: WARNING: could not read /home/user/.config/autostart/rambox.desktop
mate-session[4132]: WARNING: Unable to find provider '' of required component 'dock'
Window manager warning: Log level 16: XPresent is not compatible with your current system configuration.
Window manager warning: Log level 128: Name com.canonical.AppMenu.Registrar does not exist on the session bus
mate-session[4132]: WARNING: Could not launch application 'dropbox.desktop': Unable to start application: Failed to execute child process “dropbox” (No such file or directory)
mate-session[4132]: WARNING: Could not launch application 'zeitgeist-datahub.desktop': Unable to start application: Failed to execute child process “zeitgeist-datahub” (No such file or directory)
(process:4787): indicator-sound-WARNING **: 09:12:06.210: volume-control-pulse.vala:735: unable to get pulse unix socket: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.PulseAudio1 was not provided by any .service files
(nm-applet:4795): Gtk-WARNING **: 09:12:07.346: Can't set a parent on widget which has a parent
(tilda:4873): Vte-WARNING **: 09:12:08.032: (../../src/vtegtk.cc:1906):int vte_terminal_match_add_gregex(VteTerminal*, GRegex*, GRegexMatchFlags): runtime check failed: (g_regex_get_compile_flags(gregex) & G_REGEX_MULTILINE)
Traceback (most recent call last):
File "/usr/share/caja-python/extensions/kdeconnect-send-caja.py", line 9, in <module>
gi.require_version('Caja', '3.0')
File "/usr/lib/python2.7/dist-packages/gi/__init__.py", line 122, in require_version
(namespace, loaded_version))
ValueError: Namespace Caja is already loaded with version 2.0
(caja:4726): GVFS-WARNING **: 09:12:11.701: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
(mate-panel:4722): GLib-GObject-CRITICAL **: 09:12:12.058: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
(caja:4726): GVFS-WARNING **: 09:12:12.396: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
RuntimeError: object at 0x7ff59ced2460 of type RenameMenu is not initialized
INFO:root:The HUD is disabled via org.mate.hud in gsettings.
Gtk-Message: 09:12:12.770: GtkDialog mapped without a transient parent. This is discouraged.
sh: 1: dropbox: not found
(caja:4726): GVFS-WARNING **: 09:12:13.367: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
(caja:4726): GVFS-WARNING **: 09:12:13.392: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
Start indexing applications.
(caja:4726): GVFS-WARNING **: 09:12:13.459: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
(caja:4726): GVFS-WARNING **: 09:12:13.498: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
(caja:4726): GVFS-WARNING **: 09:12:13.613: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
(caja:4726): GVFS-WARNING **: 09:12:13.635: can't init metadata tree /home/user/.local/share/gvfs-metadata/home: open: Permission denied
Deserializing files from '/home/user/.local/share/albert/org.albert.extension.files.txt'.
Start indexing files.
Start indexing VirtualBox images.
Indexed 4 VirtualBox images.
(nm-applet:4795): Gtk-CRITICAL **: 09:12:17.674: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed
(nm-applet:4795): Gtk-CRITICAL **: 09:12:17.675: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed
(nm-applet:4795): Gtk-WARNING **: 09:12:17.698: Can't set a parent on widget which has a parent
Warning: inotify_add_watch("/usr/local/share/applications") failed: "No such file or directory"
Indexed 143 applications.
Serializing files to '/home/user/.local/share/albert/org.albert.extension.files.txt'
Indexed 36094 files.
Window manager warning: Invalid WM_TRANSIENT_FOR window 0x2c00007 specified for 0x2c00005 (albert —).
(mate-appearance-properties:8795): Gdk-WARNING **: 09:13:20.687: ../../../../../gdk/x11/gdkwindow-x11.c:5579 drawable is not a native X11 window
(mate-appearance-properties:8795): Gdk-WARNING **: 09:13:20.687: ../../../../../gdk/x11/gdkwindow-x11.c:5579 drawable is not a native X11 window
(mate-appearance-properties:8795): Gdk-WARNING **: 09:13:20.688: ../../../../../gdk/x11/gdkwindow-x11.c:5579 drawable is not a native X11 window
Gtk-Message: 09:13:20.876: GtkDialog mapped without a transient parent. This is discouraged.
(mate-appearance-properties:8795): Gdk-WARNING **: 09:13:20.945: ../../../../../gdk/x11/gdkwindow-x11.c:5579 drawable is not a native X11 window