gksu crashed with SIGSEGV in g_closure_invoke()

[Filipe Sousa]

Binary package hint: gksu

crashed every time i try to star the synaptic package manager

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/gksu
NonfreeKernelModules: nvidia
Package: gksu 2.0.0-5ubuntu3
ProcAttrCurrent: unconfined
ProcCmdline: gksu /usr/sbin/synaptic
ProcEnviron:
 PATH=/home/username/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: gksu
StacktraceTop:
 ?? () from /usr/lib/libgksu2.so.0
 ?? () from /usr/lib/libgksu2.so.0
 g_closure_invoke ()
 ?? () from /usr/lib/libgobject-2.0.so.0
 g_signal_emit_valist ()
Title: gksu crashed with SIGSEGV in g_closure_invoke()
Uname: Linux 2.6.27-4-generic x86_64
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare vboxusers