firefox crashed with signal 5 in _XError()

[DivineSpectrum]

Binary package hint: firefox-3.5

ProblemType: Crash
Architecture: i386
Date: Thu Sep 3 09:40:28 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/firefox-3.5.2/firefox
Package: firefox-3.5 3.5.2+nobinonly-0ubuntu2
ProcCmdline: /usr/lib/firefox-3.5.2/firefox https://bugs.launchpad.net/ubuntu/+source/apturl/+filebug/z2UKIe915r7mlNtQOqLzYxUUIw9?field.title=package+apturl+0.3.6ubuntu1+failed+to+install%2Fupgrade%3A+impossibile+creare+la+directory+%60.%2Fusr%2Flib%2Fpython2.6%2Fdist-packages%2FAptUrl%2Fgtk%27%3A+Nessun+file+o+directory
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-9.29-generic
Signal: 5
SourcePackage: firefox-3.5
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
 ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so
Title: firefox crashed with signal 5 in _XError()
Uname: Linux 2.6.31-9-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare