qemulator.py crashed with IndexError in on_comboboxMachinetype_changed()

[S.V.Procer]

Binary package hint: qemulator

After install, at the first boot crushed.
Simply started from Applications menu

ProblemType: Crash
Architecture: i386
Date: Sat Apr 19 14:55:14 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/share/qemulator/qemulator.py
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: qemulator 0.5-3
PackageArchitecture: all
ProcCmdline: python /usr/bin/qemulator
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=hu_HU.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/qemulator']
SourcePackage: qemulator
Title: qemulator.py crashed with IndexError in on_comboboxMachinetype_changed()
Traceback:
 Traceback (most recent call last):
   File "/usr/bin/qemulator", line 2691, in on_comboboxMachinetype_changed
     row = model[active]
 IndexError: could not find tree path
Uname: Linux 2.6.24-16-386 i686
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video