nlkt segmentation fault

Binary package hint: nlkt

la_centrale_elettrica@killer:/usr/share/doc/nlkt$ uname -a
Linux killer 2.6.32-26-generic #47-Ubuntu SMP Wed Nov 17 15:59:05 UTC 2010 i686 GNU/Linux

la_centrale_elettrica@killer:/usr/share/doc/nlkt$ apt-cache show nlkt
Package: nlkt
Priority: extra
Section: universe/x11
Installed-Size: 380
Maintainer: Ubuntu Developers <email address hidden>
Original-Maintainer: Eugene V. Lyubimkin <email address hidden>
Architecture: i386
Version: 0.3.2.1-3
Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqtcore4 (>= 4.5.1), libqtgui4 (>= 4.5.1), libqwt5-qt4, libstdc++6 (>= 4.2.1), fortune-mod, ttf-dejavu-core
Suggests: fortunes, fortunes-ru, fortunes-debian-hints, fortunes-de
Filename: pool/universe/n/nlkt/nlkt_0.3.2.1-3_i386.deb
Size: 103090
MD5sum: 511fdf41a4f023e32cf260cde90beb92
SHA1: 79e2c9beeb82aac9905030079a7f0f54138f95aa
SHA256: fa1f2c41553968b285f878c3d4656552ff4bc2f76be539baf5479f4384b4ff9e
Description: non-linear keyboard trainer
 Nlkt is a lightweight keyboard trainer (touch-typing tutor).
 .
 Non-linearness means that the program use dynamic, not static exercises, which
 are based on the current user's progress and mistakes.
 .
 Exercises are built from user's mistakes and fortunes.
 .
 Features: multiple accounts for single user, support for several layouts,
 visual keyboard state, keyboard hints.
Homepage: http://sf.net/projects/nlkt
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu

How to reproduce this bug:
1) install nlkt package
2) create new profile.
3) click on start
3) start and close typing session succesfully
4) click on stats

So this:
la_centrale_elettrica@killer:/usr/share/doc/nlkt$ nlkt
Segmentation fault

So, after the first excercise is impossible viewing the stats.

Bye