nautilus crashed with SIGSEGV in g_object_ref()

Binary package hint: nautilus

1) Ubuntu karmic (development branch) 9.10
2)nautilus:
  Instalados: 1:2.28.0-0ubuntu7
  Candidato: 1:2.28.0-0ubuntu7
  Tabla de versión:
 *** 1:2.28.0-0ubuntu7 0
        500 http://es.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status
3) Nothing (wasn't with the PC)
4) Just found the PC like that

ProblemType: Crash
Architecture: amd64
Date: Fri Oct 16 08:30:36 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/nautilus
Package: nautilus 1:2.28.0-0ubuntu7
ProcCmdline: nautilus
ProcEnviron:
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.47-generic
SegvAnalysis:
 Segfault happened at: 0x7f094dc9c651 <g_object_ref+17>: cmpq $0x50,(%rax)
 PC (0x7f094dc9c651) ok
 source "$0x50" ok
 destination "(%rax)" (0x700000008) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 g_object_ref () from /usr/lib/libgobject-2.0.so.0
 g_datalist_clear () from /lib/libglib-2.0.so.0
 g_object_unref () from /usr/lib/libgobject-2.0.so.0
 ?? ()
 g_closure_unref () from /usr/lib/libgobject-2.0.so.0
Title: nautilus crashed with SIGSEGV in g_object_ref()
Uname: Linux 2.6.31-14-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (gnome-settings-daemon:1670): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:1670): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:1702): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:1695): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed