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I really think it has to do with drivers, since I've uninstalled VirtualBox. Still, I get an heading errors with Ubuntu Software Center's VirtualBox loading Windows OS.

Here are the reports

xsession-errors:

Backend     : gconf
Integration : true
Profile     : unity
Adding plugins
Initializing core options...done
Initializing composite options...done
Initializing opengl options...done
Initializing decor options...done
Initializing move options...done
Initializing place options...done
Initializing vpswitch options...done
Initializing gnomecompat options...done
compiz (core) - Error: Plugin 'text' not loaded.

compiz (shift) - Warn: No compatible text plugin loaded
Initializing shift options...done
Initializing mousepoll options...done
Initializing grid options...done
compiz (core) - Error: Plugin 'text' not loaded.

Initializing thumbnail options...done
Initializing resize options...done
I/O warning : failed to load external entity "/home/yanike/.compiz/session/10593e1fdf21e6bb6b13593892007258800000032010037"
Initializing session options...done
Initializing wall options...done
Initializing unitymtgrabhandles options...done
** Message: applet now removed from the notification area
Initializing animation options...done
compiz (expo) - Warn: failed to bind image to texture
Initializing expo options...done
Initializing ezoom options...done
Initializing fade options...done
Initializing scale options...done
Initializing workarounds options...done

(compiz:3268): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
** Message: using fallback from indicator to GtkStatusIcon
Initializing unityshell options...done
Setting Update "mode"
Setting Update "main_menu_key"
Setting Update "run_key"
Setting Update "open_random_effects"
Setting Update "close_effects"
Setting Update "initiate_all_edge"
Setting Update "panel_opacity"
** Message: moving back from GtkStatusIcon to indicator

** (zeitgeist-datahub:3696): WARNING **: zeitgeist-datahub.vala:227: Unable to get name "org.gnome.zeitgeist.datahub" on the bus!

_usr_bin_compiz.1000 SHORT:

ProblemType: Crash
Architecture: i386
Date: Mon Jan 21 21:49:15 2013
DistroRelease: Ubuntu 12.04
ExecutablePath: /usr/bin/compiz
ExecutableTimestamp: 1356118106
ProcCmdline: compiz
ProcCwd: /home/yanike
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash

XsessionErrors:
 (compiz:2311): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (opera:4042): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
 (opera:4042): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4042): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4042): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4042): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4042): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (opera:4752): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
 (opera:4752): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4752): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4752): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4752): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:4752): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_group_get_action: assertion `GTK_IS_ACTION_GROUP (action_group)' failed
 (nautilus:2332): GLib-GObject-CRITICAL **: g_object_set: assertion `G_IS_OBJECT (object)' failed
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_set_sensitive: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_group_get_action: assertion `GTK_IS_ACTION_GROUP (action_group)' failed
 (nautilus:2332): GLib-GObject-CRITICAL **: g_object_set: assertion `G_IS_OBJECT (object)' failed
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_set_sensitive: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_group_get_action: assertion `GTK_IS_ACTION_GROUP (action_group)' failed
 (nautilus:2332): GLib-GObject-CRITICAL **: g_object_set: assertion `G_IS_OBJECT (object)' failed
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_set_sensitive: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_group_get_action: assertion `GTK_IS_ACTION_GROUP (action_group)' failed
 (nautilus:2332): GLib-GObject-CRITICAL **: g_object_set: assertion `G_IS_OBJECT (object)' failed
 (nautilus:2332): Gtk-CRITICAL **: gtk_action_set_sensitive: assertion `GTK_IS_ACTION (action)' failed
 (opera:5356): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
 (opera:5356): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:5356): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:5356): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:5356): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (opera:5356): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (totem-plugin-viewer:6757): Gdk-CRITICAL **: gdk_window_set_cursor: assertion `GDK_IS_WINDOW (window)' failed
 (totem-plugin-viewer:6757): Gdk-CRITICAL **: gdk_window_set_cursor: assertion `GDK_IS_WINDOW (window)' failed
 (firefox:5857): Gtk-CRITICAL **: IA__gtk_clipboard_get_for_display: assertion `!display->closed' failed
 (firefox:5857): Gtk-CRITICAL **: IA__gtk_clipboard_get_for_display: assertion `!display->closed' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (Aptana Studio 3:3540): LIBDBUSMENU-GTK-CRITICAL **: watch_submenu: assertion `GTK_IS_MENU_SHELL(menu)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (totem:9997): GLib-GObject-CRITICAL **: Read/writable property 'object' on class 'ZeitgeistDpPlugin' has type 'TotemObject' which is not exactly equal to the type 'GObject' of the property on the interface 'PeasActivatable'
 (compiz:2311): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
 (compiz:2311): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 (totem:10530): GLib-GObject-CRITICAL **: Read/writable property 'object' on class 'ZeitgeistDpPlugin' has type 'TotemObject' which is not exactly equal to the type 'GObject' of the property on the interface 'PeasActivatable'
 (gnome-settings-daemon:2293): libappindicator-CRITICAL **: app_indicator_set_label: assertion `IS_APP_INDICATOR (self)' failed
 gnome-session[2244]: WARNING: Application 'compiz.desktop' killed by signal
 gnome-session[2244]: WARNING: App 'compiz.desktop' respawning too quickly
 gnome-session[2244]: CRITICAL: We failed, but the fail whale is dead. Sorry....
 (compiz:10935): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
share|improve this question
"I really think it has to do with drivers, since I've uninstalled VirtualBox." << What? – Wolfer Jan 28 at 18:38
VirtualBox was causing my session to crash after it had an error. My reports kept showing VirtualBOx in terminal when it crashed. Prior to uninstalling VirtualBox, I installed some drivers that may have conflicted with my system. I removed VirtualBox and I didn't get any more crashes displaying VirtualBox. Now my system runs longer, but crashes do to something with xserver. – yanike Jan 28 at 23:03
Now with this context your statement makes a lot more sense. What driver did you install? – Wolfer Jan 29 at 17:11
1  
This question should instead be filed as a bug report, and as such is off-topic, thanks! Instructions on filing a bug report are here. – Jorge Castro Mar 1 at 1:23

closed as off topic by Jorge Castro, Eric Carvalho, Eliah Kagan, vasa1, hhlp Mar 1 at 10:48

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