nautilus crashed with SIGSEGV in g_type_check_instance_cast()

[maxstevens]

I was changing my icon theme via gnomw-tweak-tool when this error popped up.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: nautilus 1:3.3.92-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
Uname: Linux 3.2.0-19-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Tue Mar 20 14:33:51 2012
ExecutablePath: /usr/bin/nautilus
GsettingsChanges: org.gnome.nautilus.window-state geometry '800x550+57+24'
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
ProcCmdline: nautilus -n
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fd65fbc902c <g_type_check_instance_cast+28>: mov (%rax),%rbp
 PC (0x7fd65fbc902c) ok
 source "(%rax)" (0x200000001) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk3.so.4
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: nautilus crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_cast (type_instance=0x2b0d4e0, iface_type=37913440) at /build/buildd/glib2.0-2.31.22/./gobject/gtype.c:3999
 ?? ()
 ?? ()
 g_value_peek_pointer (value=0x2b0d4e0) at /build/buildd/glib2.0-2.31.22/./gobject/gvalue.c:317
 gtk_menu_item_get_type@plt ()

[dino99 (9d9)]

that release is no more alive.