qemulator.py crashed with IndexError in on_comboboxMachinetype_changed()

[LinuxChick]

Binary package hint: qemulator

I just upgraded 7.10 to 8.04 last night. Q worked fine before the upgrade but I keep getting this error now.This upgrade was through the Update Manager, not a clean install.

ProblemType: Crash
Architecture: i386
Date: Fri May 2 19:17:38 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/share/qemulator/qemulator.py
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: ath_hal
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=en_US.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-generic i686
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev powerdev scanner users video