gksu crashed with SIGSEGV in gdk_window_set_opacity()

[manzur]

Binary package hint: gksu

this is not a duplicated bug, this is happening in jaunty as it happened in hardy heron

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/gksu
NonfreeKernelModules: nvidia
Package: gksu 2.0.2-1ubuntu2
ProcCmdline: gksu --desktop /usr/share/applications/computer-janitor-gtk.desktop computer-janitor-gtk
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: gksu
StacktraceTop:
 gdk_window_set_opacity ()
 ?? () from /usr/lib/libgksu2.so.0
 g_main_context_dispatch ()
 ?? () from /usr/lib/libglib-2.0.so.0
 g_main_loop_run () from /usr/lib/libglib-2.0.so.0
Title: gksu crashed with SIGSEGV in gdk_window_set_opacity()
Uname: Linux 2.6.28-11-generic x86_64
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev sambashare tape video