thunderbird-bin crashed with signal 5 in _XError() weather applet crashes on logout

[PowerMilk]

Binary package hint: thunderbird

Its happen when I closed Thunderbird.
Release: Ubuntu Karmic Koala 9.10 (Development branch)
Version of package: 2.0.0.22+build1+nobinonly-0ubuntu3

ProblemType: Crash
Architecture: amd64
Date: Thu Aug 13 21:27:39 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/thunderbird/thunderbird-bin
NonfreeKernelModules: nvidia
Package: thunderbird 2.0.0.22+build1+nobinonly-0ubuntu3
ProcCmdline: /usr/lib/thunderbird/thunderbird-bin
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-5.24-generic
Signal: 5
SourcePackage: thunderbird
StacktraceTop:
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 _XError () from /usr/lib/libX11.so.6
 _XReply () from /usr/lib/libX11.so.6
 XGetWindowProperty () from /usr/lib/libX11.so.6
 ?? ()
Title: thunderbird-bin crashed with signal 5 in _XError()
Uname: Linux 2.6.31-5-generic x86_64
UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare video