yelp crashed with SIGSEGV in process_check_file()

[car des]

When I try to launch the Help Browser from System>Help and Support,a blank page Loading.. appears but the Help Browser fails to load, then the blank page shut down

When I type yelp in terminal, it produces the following output:
str4ng3r@str4ng3r-laptop:~$ yelp

(yelp:1753): Gtk-CRITICAL **: gtk_tool_button_new: assertion `icon_widget == NULL || GTK_IS_MISC (icon_widget)' failed

(yelp:1753): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(yelp:1753): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed

(yelp:1753): Gtk-CRITICAL **: gtk_toolbar_insert: assertion `GTK_IS_TOOL_ITEM (item)' failed

(yelp:1753): Gtk-CRITICAL **: gtk_tool_button_new: assertion `icon_widget == NULL || GTK_IS_MISC (icon_widget)' failed

(yelp:1753): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(yelp:1753): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed

(yelp:1753): Gtk-CRITICAL **: gtk_toolbar_insert: assertion `GTK_IS_TOOL_ITEM (item)' failed
Errore di segmentazione (core dump creato)

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: yelp 2.30.0-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-40.87-generic 2.6.32.57+drm33.23
Uname: Linux 2.6.32-40-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Wed Mar 28 12:47:20 2012
ExecutablePath: /usr/bin/yelp
InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2)
ProcCmdline: yelp
ProcEnviron:
 SHELL=/bin/bash
 LANG=it_IT.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f9862ecbfc7: mov 0x0(%r13),%rbp
 PC (0x7f9862ecbfc7) ok
 source "0x0(%r13)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: yelp
StacktraceTop:
 ?? () from /usr/lib/librarian.so.0
 ?? () from /usr/lib/librarian.so.0
 rrn_info_get_categories ()
 ?? ()
 ?? () from /lib/libglib-2.0.so.0
Title: yelp crashed with SIGSEGV in rrn_info_get_categories()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (polkit-gnome-authentication-agent-1:1465): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Apport retracing service (apport)]

StacktraceTop:
 process_check_file () at rarian-info.c:192
 process_info_dir (dir=<optimized out>) at rarian-info.c:510
 rrn_info_init () at rarian-info.c:590
 rrn_info_get_categories () at rarian-info.c:612
 toc_process_info (toc=0x11e2900) at yelp-toc.c:757

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.