nautilus crashed with SIGSEGV in gtk_action_get_name()

The Nautilus crash when I try to enter in the Dropbox directory. I have two different machines with Ubuntu 13.10 and the two have exactly the same behavior.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: nautilus 1:3.8.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.10.0-2.9-generic 3.10.0
Uname: Linux 3.10.0-2-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.10.2-0ubuntu3
Architecture: amd64
CrashCounter: 1
Date: Fri Jul 5 09:26:13 2013
ExecutablePath: /usr/bin/nautilus
GsettingsChanges:
 b'org.gnome.nautilus.window-state' b'geometry' b"'800x550+65+24'"
 b'org.gnome.nautilus.window-state' b'maximized' b'true'
 b'org.gnome.nautilus.window-state' b'sidebar-width' b'235'
InstallationDate: Installed on 2013-06-13 (21 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
ProcCmdline: nautilus -n
ProcEnviron:
 LANGUAGE=pt_BR:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f9d852479a6 <gtk_action_get_name+22>: cmp %rax,(%rdx)
 PC (0x7f9d852479a6) ok
 source "%rax" ok
 destination "(%rdx)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 gtk_action_get_name () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? ()
 ?? ()
 ?? ()
 ?? ()
Title: nautilus crashed with SIGSEGV in gtk_action_get_name()
UpgradeStatus: Upgraded to saucy on 2013-06-16 (18 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo users