(thunderbird:14430): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::sm-connect after class was initialised
(thunderbird:14430): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::show-crash-dialog after class was initialised
(thunderbird:14430): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::display after class was initialised
(thunderbird:14430): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::default-icon after class was initialised
[calBackendLoader] Using libical backend at /home/wayne/.thunderbird/s4f56rex.default/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/components/libical.manifest
(thunderbird:14430): GLib-GObject-WARNING **: cannot register existing type 'DbusmenuMenuitem'
Wtwine added the following comment to Launchpad bug report 1160569:
The same problem appeared when I upgraded from Ubuntu 12.04 to 14:04.
I can no longer start Thunderbird.
I get the following when trying to run Thunderbird in terminal:
(process:14430): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
(thunderbird: 14430): GLib-GObject- WARNING **: Attempt to add property GnomeProgram: :sm-connect after class was initialised
(thunderbird: 14430): GLib-GObject- WARNING **: Attempt to add property GnomeProgram: :show-crash- dialog after class was initialised
(thunderbird: 14430): GLib-GObject- WARNING **: Attempt to add property GnomeProgram: :display after class was initialised
(thunderbird: 14430): GLib-GObject- WARNING **: Attempt to add property GnomeProgram: :default- icon after class was initialised .thunderbird/ s4f56rex. default/ extensions/ {e2fda1a4- 762b-4020- b5ad-a41df19331 03}/components/ libical. manifest
[calBackendLoader] Using libical backend at /home/wayne/
(thunderbird: 14430): GLib-GObject- WARNING **: cannot register existing type 'DbusmenuMenuitem'
(thunderbird: 14430): GLib-CRITICAL **: g_once_init_leave: assertion 'result != 0' failed
(thunderbird: 14430): GLib-GObject- CRITICAL **: g_param_ spec_object: assertion 'g_type_is_a (object_type, G_TYPE_OBJECT)' failed
(thunderbird: 14430): GLib-GObject- CRITICAL **: g_object_ class_install_ property: assertion 'G_IS_PARAM_SPEC (pspec)' failed
-- launchpad. net/bugs/ 1160569
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