Crash while rendering VIMEO/YOUTUBE-HQ project (Speicherzugriffsfehler)

1) lsb_release -rd --> Description: Ubuntu 12.10 Release: 12.10
2) openshot:
  Installiert: 1.4.3-1
  Kandidat: 1.4.3-1
  Versionstabelle:
 *** 1.4.3-1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
        100 /var/lib/dpkg/status
     1.4.3-1 0
        500 http://ppa.launchpad.net/openshot.developers/ppa/ubuntu/ quantal/main i386 Packages
3) Rendering of project
4) LOG:
Starting Openshot
NAME@PC:~$ openshot /home/bernibaerchen/2013\ 04\ 06\ PillowFightDayZürich.osp

------------------------- ERROR 1 ------------------------------
Failed to import 'from openshot import main'
Error Message: cannot import name main
----------------------------------------------------------------
--------------------------------
   OpenShot (version 1.4.3)
--------------------------------
Process no longer exists: 22745. Creating new pid lock file.
Adding files to the watch queue:

Detecting formats, codecs, and filters...
---
video_codecs:
  - a64multi
  - a64multi5
  - asv1

[...]

  - yuv4mpegpipe
  - alsa
  - oss
...
GenerateXML for an Effect
GenerateXML for an Effect
GenerateXML for an Effect
GenerateXML for an Effect
GenerateXML for an Effect
[mp3 @ 0xb93cd00] max_analyze_duration reached
[mp3 @ 0xb943ba0] max_analyze_duration reached
[mp3 @ 0xa780e340] max_analyze_duration reached
project state modified
[mp3 @ 0xa7812fa0] max_analyze_duration reached
state saved
NEW SDL CONSUMER
[mp3 @ 0xc4d5da0] max_analyze_duration reached
[mp3 @ 0xc4dd5c0] max_analyze_duration reached
[mp3 @ 0xa7804f20] max_analyze_duration reached
[mp3 @ 0xa7805580] max_analyze_duration reached
state saved
>>>>here Openshot is open and ready to do something with the project.<<<<<<<<<<<<
project saved! - 2013 04 06 PillowFightDayZürich
>>>>>>> i just pushed the save-button<<<<<<<<<<<<<<<<<<
on_tlbMakeMovie_clicked called with self.GtkToolButton
>>>>>>>now i want to export the project <<<<<<<<<<<<<<<
on_cboExportType_changed
on_cboUploadServices_changed
on_cboProjectType_changed
on_cboExportTo_changed
on_btnExportVideo_clicked
on_btnExportVideo_clicked
>>>>>>>>>>OpenShot started rendering (and replacing the existing file<<<<<<<<<<<<<<
NEW SDL CONSUMER
GenerateXML for an Effect
GenerateXML for an Effect
GenerateXML for an Effect
GenerateXML for an Effect
GenerateXML for an Effect
[mp3 @ 0x151f6720] max_analyze_duration reached
[mp3 @ 0x1521caa0] max_analyze_duration reached
[mp3 @ 0xa7608ba0] max_analyze_duration reached
[mp3 @ 0xa7612140] max_analyze_duration reached
Speicherzugriffsfehler
>>>>>>>>>>Crash - Openshot window disapears <<<<<<<<<<<
NAME@PC:~$

I checked the dependencies (Source: http://www.openshotusers.com/help/1.3/en_GB/ar01s28.html) with "apt-get install":

NAME@PC:~$ sudo apt-get install python python-gtk2 libmlt5 libmlt-data libmlt++3 melt python-mlt5 python-pygoocanvas frei0r-plugins python-xdg sox libsdl1.2debian librsvg2-common python-imaging libavformat52 fontconfig
Paketlisten werden gelesen... Fertig
Abhängigkeitsbaum wird aufgebaut
Statusinformationen werden eingelesen... Fertig
fontconfig ist schon die neueste Version.
librsvg2-common ist schon die neueste Version.
libsdl1.2debian ist schon die neueste Version.
python ist schon die neueste Version.
python-gtk2 ist schon die neueste Version.
python-imaging ist schon die neueste Version.
python-pygoocanvas ist schon die neueste Version.
python-xdg ist schon die neueste Version.
frei0r-plugins ist schon die neueste Version.
libmlt++3 ist schon die neueste Version.
libmlt5 ist schon die neueste Version.
melt ist schon die neueste Version.
python-mlt5 ist schon die neueste Version.
sox ist schon die neueste Version.
libavformat52 ist schon die neueste Version.
libmlt-data ist schon die neueste Version.
0 aktualisiert, 0 neu installiert, 0 zu entfernen und 0 nicht aktualisiert.
NAME@PC:~$

Revision of packages:
NAME@PC:~$ apt-cache policy python python-gtk2 libmlt5 libmlt-data libmlt++3 melt python-mlt5 python-pygoocanvas frei0r-plugins python-xdg sox libsdl1.2debian librsvg2-common python-imaging libavformat52 fontconfig ffmpeg
python:
  Installiert: 2.7.3-0ubuntu7
  Kandidat: 2.7.3-0ubuntu7
  Versionstabelle:
 *** 2.7.3-0ubuntu7 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
python-gtk2:
  Installiert: 2.24.0-3build1
  Kandidat: 2.24.0-3build1
  Versionstabelle:
 *** 2.24.0-3build1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
libmlt5:
  Installiert: 0.8.0-4
  Kandidat: 0.8.0-4
  Versionstabelle:
 *** 0.8.0-4 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
        100 /var/lib/dpkg/status
libmlt-data:
  Installiert: 1:0.6.2-0.0
  Kandidat: 1:0.6.2-0.0
  Versionstabelle:
 *** 1:0.6.2-0.0 0
        100 /var/lib/dpkg/status
     0.8.0-4 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
libmlt++3:
  Installiert: 0.8.0-4
  Kandidat: 0.8.0-4
  Versionstabelle:
 *** 0.8.0-4 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
        100 /var/lib/dpkg/status
melt:
  Installiert: 0.8.0-4
  Kandidat: 0.8.0-4
  Versionstabelle:
 *** 0.8.0-4 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
        100 /var/lib/dpkg/status
python-mlt5:
  Installiert: 0.8.0-4
  Kandidat: 0.8.0-4
  Versionstabelle:
 *** 0.8.0-4 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
        100 /var/lib/dpkg/status
python-pygoocanvas:
  Installiert: 0.14.1-1ubuntu7
  Kandidat: 0.14.1-1ubuntu7
  Versionstabelle:
 *** 0.14.1-1ubuntu7 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
frei0r-plugins:
  Installiert: 1.1.22git20091109-1.2
  Kandidat: 1.1.22git20091109-1.2
  Versionstabelle:
 *** 1.1.22git20091109-1.2 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
        100 /var/lib/dpkg/status
python-xdg:
  Installiert: 0.20-0ubuntu1
  Kandidat: 0.20-0ubuntu1
  Versionstabelle:
 *** 0.20-0ubuntu1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
sox:
  Installiert: 14.4.0-3
  Kandidat: 14.4.0-3
  Versionstabelle:
 *** 14.4.0-3 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/universe i386 Packages
        100 /var/lib/dpkg/status
libsdl1.2debian:
  Installiert: 1.2.15-5ubuntu1
  Kandidat: 1.2.15-5ubuntu1
  Versionstabelle:
 *** 1.2.15-5ubuntu1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
librsvg2-common:
  Installiert: 2.36.3-0ubuntu1
  Kandidat: 2.36.3-0ubuntu1
  Versionstabelle:
 *** 2.36.3-0ubuntu1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
python-imaging:
  Installiert: 1.1.7-4build1
  Kandidat: 1.1.7-4build1
  Versionstabelle:
 *** 1.1.7-4build1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
libavformat52:
  Installiert: 5:0.7.13-dmo2
  Kandidat: 5:0.7.13-dmo2
  Versionstabelle:
 *** 5:0.7.13-dmo2 0
        100 /var/lib/dpkg/status
fontconfig:
  Installiert: 2.10.1-0ubuntu3
  Kandidat: 2.10.1-0ubuntu3
  Versionstabelle:
 *** 2.10.1-0ubuntu3 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status
ffmpeg:
  Installiert: 6:0.8.6-0ubuntu0.12.10.1
  Kandidat: 6:0.8.6-0ubuntu0.12.10.1
  Versionstabelle:
 *** 6:0.8.6-0ubuntu0.12.10.1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal-updates/main i386 Packages
        500 http://security.ubuntu.com/ubuntu/ quantal-security/main i386 Packages
        100 /var/lib/dpkg/status
     6:0.8.3-6ubuntu2 0
        500 http://ch.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
NAME@PC:~$

Any idea, what can i do to render my project(s). There are so many pending...

If you need more information prease ask for it.
Thanks for your help!
bernibaerchen