nautilus crashed with SIGSEGV in g_variant_is_object_path()

[pythaboc]

Binary package hint: nautilus

i was deleting a file on my desktop when this error has appeared

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: nautilus 1:2.32.2.1-0ubuntu13
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Wed Apr 20 08:14:01 2011
ExecutablePath: /usr/bin/nautilus
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: nautilus
ProcEnviron:
 LANGUAGE=fr_FR:en
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f29895324f2: cmpb $0x0,(%rdi)
 PC (0x7f29895324f2) ok
 source "$0x0" ok
 destination "(%rdi)" (0x00000002) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 g_variant_is_object_path () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_dbus_connection_register_object () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/libdbusmenu-glib.so.3
 ?? () from /usr/lib/libdbusmenu-glib.so.3
Title: nautilus crashed with SIGSEGV in g_variant_is_object_path()
UpgradeStatus: Upgraded to natty on 2011-04-09 (10 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 __strlen_no_bsf () at ../sysdeps/x86_64/multiarch/strlen-no-bsf.S:28
 g_variant_is_object_path (string=0x2 <Address 0x2 out of bounds>) at /build/buildd/glib2.0-2.28.6/./glib/gvariant.c:1180
 g_dbus_connection_register_object (connection=0x244d120, object_path=0x2 <Address 0x2 out of bounds>, interface_info=0x26067a0, vtable=0x7f29882c1cc0, user_data=0x25600a0, user_data_free_func=0, error=0x7fff84561668) at /build/buildd/glib2.0-2.28.6/./gio/gdbusconnection.c:4717
 register_object (server=0x25600a0) at /build/buildd/libdbusmenu-0.4.3/./libdbusmenu-glib/server.c:658
 bus_got_cb (obj=<value optimized out>, result=<value optimized out>, user_data=0x25600a0) at /build/buildd/libdbusmenu-0.4.3/./libdbusmenu-glib/server.c:709