gnome-alsamixer crashed with SIGSEGV in gam_mixer_show_props_dialog()

[gocho]

Binary package hint: gnome-alsamixer

I instaled ubuntu 8.04 with wubi and i dont't have sound. my problem is similiar to this one -> http://www.uluga.ubuntuforums.org/showthread.php?t=570890

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Tue Apr 15 02:40:23 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/gnome-alsamixer
Package: gnome-alsamixer 0.9.7~cvs.20060916.ds.1-1
PackageArchitecture: i386
ProcCmdline: gnome-alsamixer
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=pt_PT.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: gnome-alsamixer
StacktraceTop:
 gam_mixer_show_props_dialog ()
 g_cclosure_marshal_VOID__VOID ()
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgobject-2.0.so.0
 ?? ()
Title: gnome-alsamixer crashed with SIGSEGV in gam_mixer_show_props_dialog()
Uname: Linux 2.6.24-16-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video