gksu crashed with SIGSEGV in g_closure_invoke()

[airplanesrule]

Binary package hint: gksu

im using intrepid and it is fully updated, gksu worked untill i installed kde, but now kdesudo works and gksu doesn't

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/gksu
Package: gksu 2.0.0-5ubuntu3
ProcAttrCurrent: unconfined
ProcEnviron:
 PATH=/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 2.6.27-2-generic x86_64
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev sambashare scanner tape video