Firefox will close often automatically by different sites

[Toto]

Binary package hint: firefox-3.0

Firefox will close automatically by visitiing e.g.: http://www.ravensburger.de/shop/neuheiten/spiele/wer-war-s-schraeghausen-21999/index.html

System: Ubuntu 8.04 (hardy)
Kernel: 2.6.24-28-generic
Gnome 2.22.3

firefox:
  Installiert:3.6.12+build1+nobinonly-0ubuntu0.8.04.1
  Mögliche Pakete:3.6.12+build1+nobinonly-0ubuntu0.8.04.1
  Versions-Tabelle:
 *** 3.6.12+build1+nobinonly-0ubuntu0.8.04.1 0
        500 http://de.archive.ubuntu.com hardy-updates/main Packages
        500 http://security.ubuntu.com hardy-security/main Packages
        100 /var/lib/dpkg/status
     3.0~b5+nobinonly-0ubuntu3 0
        500 http://de.archive.ubuntu.com hardy/main Packages

Thank for help.

ProblemType: Bug
Architecture: i386
Date: Thu Oct 28 18:52:34 2010
DistroRelease: Ubuntu 8.04
NonfreeKernelModules: fglrx
Package: firefox 3.6.12+build1+nobinonly-0ubuntu0.8.04.1
PackageArchitecture: i386
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox-3.0
Uname: Linux 2.6.24-28-generic i686