When i try restart unity by terminal i have this output: unity --reset WARNING: Unity currently default profile, so switching to metacity while resetting the values unity-panel-service: no process found Checking if settings need to be migrated ...no Checking if internal files need to be migrated ...no Backend : gconf Integration : true Profile : unity Adding plugins Initializing core options...done compiz (core) - Warn: failed to receive ConfigureNotify event on 0x1800004 compiz (core) - Warn: failed to receive ConfigureNotify event on 0x28000ad compiz (core) - Warn: failed to receive ConfigureNotify event on 0x300002e compiz (core) - Warn: failed to receive ConfigureNotify event on 0x3a006dd Initializing composite options...done Initializing opengl options...done Initializing decor options...done Initializing vpswitch options...done Initializing snap options...done Initializing mousepoll options...done Initializing resize options...done Initializing place options...done Initializing move options...done Initializing wall options...done Initializing grid options...done Initializing session options...done Initializing gnomecompat options...done Initializing animation options...done Initializing fade options...done Initializing unitymtgrabhandles options...done Initializing workarounds options...done Initializing scale options...done compiz (expo) - Warn: failed to bind image to texture Initializing expo options...done Initializing ezoom options...done (compiz:3256): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed Initializing unityshell options...done compiz (core) - Warn: unhandled ConfigureNotify on 0xc00090! compiz (core) - Warn: this should never happen. you should probably file a bug about this. compiz (core) - Warn: unhandled ConfigureNotify on 0xc00093! compiz (core) - Warn: this should never happen. you should probably file a bug about this. compiz (core) - Warn: unhandled ConfigureNotify on 0xc00096! compiz (core) - Warn: this should never happen. you should probably file a bug about this. compiz (core) - Warn: unhandled ConfigureNotify on 0xc00096! compiz (core) - Warn: this should never happen. you should probably file a bug about this. compiz (core) - Warn: unhandled ConfigureNotify on 0xc00099! compiz (core) - Warn: this should never happen. you should probably file a bug about this. WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.libindicator :0 Desktop file '/usr/share/app-install/desktop/chromium-browser:chromium-browser.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.libindicator :0 Desktop file '/usr/share/applications/firefox.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.libindicator :0 Desktop file '/usr/share/applications/libreoffice-writer.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.libindicator :0 Desktop file '/usr/share/applications/libreoffice-calc.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed WARN 2012-05-23 00:48:36 unity.glib-gobject :0 invalid cast from `BamfWindow' to `BamfApplication' ERROR 2012-05-23 00:48:36 unity :0 bamf_application_get_desktop_file: assertion `BAMF_IS_APPLICATION (application)' failed Initializing staticswitcher options...done ERROR 2012-05-23 00:48:37 unity.glib-gobject :0 g_object_unref: assertion `G_IS_OBJECT (object)' failed Setting Update "main_menu_key" Setting Update "run_key" compiz (decor) - Warn: failed to bind pixmap to texture Starting gtk-window-decorator compiz (decor) - Warn: No default decoration found, placement will not be correct compiz (decor) - Warn: No default decoration found, placement will not be correct compiz (decor) - Warn: No default decoration found, placement will not be correct compiz (decor) - Warn: No default decoration found, placement will not be correct Maybe it helps