firefox closes itself

[gattomaoz]

Binary package hint: firefox

Firefox closes itself without being asked. Several times,It also says that a script is not responding.
I'm using Ubuntu 7.10, Gutsy Gibbon, 2007.
firefox:
  Installato: 2.0.0.21~tb.21.308+nobinonly-0ubuntu0.7.10.1
  Candidato: 2.0.0.21~tb.21.308+nobinonly-0ubuntu0.7.10.1
  Tabella versione:
 *** 2.0.0.21~tb.21.308+nobinonly-0ubuntu0.7.10.1 0
        500 http://it.archive.ubuntu.com gutsy-updates/main Packages
        500 http://security.ubuntu.com gutsy-security/main Packages
        100 /var/lib/dpkg/status
     2.0.0.6+2nobinonly-0ubuntu1 0
        500 http://it.archive.ubuntu.com gutsy/main Packages

ProblemType: Bug
Architecture: i386
Date: Thu Apr 9 16:20:10 2009
DistroRelease: Ubuntu 7.10
Package: firefox 2.0.0.21~tb.21.308+nobinonly-0ubuntu0.7.10.1
PackageArchitecture: i386
SourcePackage: firefox
Uname: Linux ste 2.6.22-16-generic #1 SMP Mon Jan 26 00:07:52 GMT 2009 i686 GNU/Linux

[gattomaoz (gattomaoz)]

I need some help with my firefox. It closes itself without being asked for.
Someone may help me?
Thanks.