Created attachment 4694 
full stacktrace

Hi,

This bug was reported on our bug tracker:

"I was trying to disable the "Show thumbnails" option in Thunar, when it crashed."

Stacktrace top:

thunar_standard_view_cancel_thumbnailing (standard_view=standard_view@entry=0xb9352e90) at thunar-standard-view.c:3310
thunar_standard_view_show_thumbnails_toggled (standard_view=standard_view@entry=0xb9352e90, pspec=0xb924dc00, icon_factory=0xb5909848) at thunar-standard-view.c:3484
g_cclosure_marshal_VOID__PARAM (closure=closure@entry=0xb9290d20, return_value=return_value@entry=0x0, n_param_values=n_param_values@entry=2, param_values=param_values@entry=0xbf816760, invocation_hint=invocation_hint@entry=0xbf81670c, marshal_data=marshal_data@entry=0x0) at /build/buildd/glib2.0-2.34.0/./gobject/gmarshal.c:1042
g_closure_invoke (closure=0xb9290d20, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0xbf816760, invocation_hint=invocation_hint@entry=0xbf81670c) at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
signal_emit_unlocked_R (node=node@entry=0xb91e8340, detail=detail@entry=896, instance=instance@entry=0xb5909848, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0xbf816760) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551

Thanks.