Thank you for your report! 

However, processing it in order to get sufficient information for the
developers failed (it does not generate an useful symbolic stack trace). This
might be caused by some outdated packages which were installed on your system
at the time of the report:

libgcc1: installed version 1:4.5.0-5ubuntu1, latest version: 1:4.5.0-7ubuntu1
libqtgui4: installed version 4:4.7.0~beta1+git20100522-0ubuntu2, latest version: 4:4.7.0~beta1+git20100522-0ubuntu5
libqtcore4: installed version 4:4.7.0~beta1+git20100522-0ubuntu2, latest version: 4:4.7.0~beta1+git20100522-0ubuntu5
libtiff4: installed version 3.9.2-3, latest version: 3.9.4-1
libqt4-dbus: installed version 4:4.7.0~beta1+git20100522-0ubuntu2, latest version: 4:4.7.0~beta1+git20100522-0ubuntu5
libncursesw5: installed version 5.7+20090803-2ubuntu3, latest version: 5.7+20100313-2ubuntu1
coreutils: installed version 8.5-1ubuntu1, latest version: 8.5-1ubuntu3
libssl0.9.8: installed version 0.9.8k-7ubuntu8, latest version: 0.9.8o-1ubuntu1
libnewt0.52: installed version 0.52.10-8, latest version: 0.52.11-1
libmlt-data: installed version 0.5.4+git20100601-1, latest version: 0.5.6-1
libncurses5: installed version 5.7+20090803-2ubuntu3, latest version: 5.7+20100313-2ubuntu1
libgtk2.0-0: installed version 2.21.1-1ubuntu1, latest version: 2.21.2-0ubuntu5
libdc1394-22: installed version 2.1.2-2, latest version: 2.1.2-3
python-pygoocanvas: installed version 0.14.1-0ubuntu1, latest version: 0.14.1-1ubuntu1
python: installed version 2.6.5-0ubuntu1, latest version: 2.6.5-5ubuntu3
sensible-utils: installed version 0.0.1ubuntu3, latest version: 0.0.4ubuntu1
melt: installed version 0.5.4+git20100601-1, latest version: 0.5.6-1
libgoocanvas-common: installed version 0.15-0ubuntu2, latest version: 0.15-1
gcc-4.5-base: installed version 4.5.0-5ubuntu1, latest version: 4.5.0-7ubuntu1
libavformat52: installed version 4:0.6~svn20100505-1ubuntu2, latest version: 4:0.6-1ubuntu1
python2.6: installed version 2.6.5+20100529-0ubuntu1, latest version: 2.6.5+20100628-2ubuntu1
python-glade2: installed version 2.17.0-0ubuntu2, latest version: 2.17.0-2ubuntu1
libavutil50: installed version 4:0.6~svn20100505-1ubuntu2, latest version: 4:0.6-1ubuntu1
python-minimal: installed version 2.6.5-0ubuntu1, latest version: 2.6.5-5ubuntu3
python2.6-minimal: installed version 2.6.5+20100529-0ubuntu1, latest version: 2.6.5+20100628-2ubuntu1
python-gtk2: installed version 2.17.0-0ubuntu2, latest version: 2.17.0-2ubuntu1
libglib2.0-0: installed version 2.25.8-1ubuntu1, latest version: 2.25.10-1ubuntu1
whiptail: installed version 0.52.10-8, latest version: 0.52.11-1
libgomp1: installed version 4.5.0-5ubuntu1, latest version: 4.5.0-7ubuntu1
libraw1394-11: installed version 2.0.5-1ubuntu2, latest version: 2.0.5-2ubuntu1
libcups2: installed version 1.4.3-1ubuntu1, latest version: 1.4.4-1
libpango1.0-common: installed version 1.28.0-1ubuntu1, latest version: 1.28.1-1ubuntu2
python-xdg: installed version 0.19-1ubuntu1, latest version: 0.19-2ubuntu1
libc-bin: installed version 2.12-0ubuntu3, latest version: 2.12-0ubuntu4
libpng12-0: installed version 1.2.42-1ubuntu2, latest version: 1.2.44-1
libxdamage1: installed version 1:1.1.2-1, latest version: 1:1.1.3-1
libcairo2: installed version 1.8.10-4ubuntu1, latest version: 1.9.10-1ubuntu1
x11-common: installed version 1:7.5+6ubuntu1, latest version: 1:7.5+6ubuntu2
libavdevice52: installed version 4:0.6~svn20100505-1ubuntu2, latest version: 4:0.6-1ubuntu1
libmlt2: installed version 0.5.4+git20100601-1, latest version: 0.5.6-1
dpkg: installed version 1.15.7.2ubuntu1, latest version: 1.15.7.2ubuntu2
libqt4-xml: installed version 4:4.7.0~beta1+git20100522-0ubuntu2, latest version: 4:4.7.0~beta1+git20100522-0ubuntu5
libavcodec52: installed version 4:0.6~svn20100505-1ubuntu2, latest version: 4:0.6-1ubuntu1
libmng1: installed version 1.0.9-3, latest version: 1.0.10-1
python-mlt2: installed version 0.5.4+git20100601-1, latest version: 0.5.6-1
python-gobject: installed version 2.21.1-2ubuntu2, latest version: 2.21.3-0ubuntu1
libqt4-svg: installed version 4:4.7.0~beta1+git20100522-0ubuntu2, latest version: 4:4.7.0~beta1+git20100522-0ubuntu5
libpython2.6: installed version 2.6.5+20100529-0ubuntu1, latest version: 2.6.5+20100628-2ubuntu1
libgtk2.0-common: installed version 2.21.1-1ubuntu1, latest version: 2.21.2-0ubuntu5
libgoocanvas3: installed version 0.15-0ubuntu2, latest version: 0.15-1
libswscale0: installed version 4:0.6~svn20100505-1ubuntu2, latest version: 4:0.6-1ubuntu1
ncurses-bin: installed version 5.7+20090803-2ubuntu3, latest version: 5.7+20100313-2ubuntu1
libc6: installed version 2.12-0ubuntu3, latest version: 2.12-0ubuntu4
libsdl1.2debian: installed version 1.2.14-6ubuntu2, latest version: 1.2.14-6ubuntu3
libstdc++6: installed version 4.5.0-5ubuntu1, latest version: 4.5.0-7ubuntu1
libmlt++3: installed version 0.5.4+git20100601-1, latest version: 0.5.6-1
libpango1.0-0: installed version 1.28.0-1ubuntu1, latest version: 1.28.1-1ubuntu2


Please upgrade your system to the latest package versions. If you still
encounter the crash, please file a new report.

Thank you for your understanding, and sorry for the inconvenience!