Comment 8 for bug 688682

Thanks gary, but
if i use your LD preload, it works PERFECTLY, but launcher must be modified to your command, by normal software-center, there is same error, terminal log (i tried your command without and with sudo )

fanys@fanys-netbook:~$ LD_PRELOAD=/usr/lib/libstdc++.so.6 software-center
2011-03-11 14:48:51,027 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/share/software-center/softwarecenter/db/database.py', 142, 'open')'
2011-03-11 14:48:51,027 - root - WARNING - failed to add sca db Couldn't stat '/home/fanys/.cache/software-center/software-center-agent.db' (Adresář nebo soubor neexistuje)
/usr/share/software-center/softwarecenter/app.py:1114: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  self.window_main.show_all()
/usr/share/software-center/softwarecenter/SimpleGtkbuilderApp.py:50: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  gtk.main()
2011-03-11 14:49:01,780 - softwarecenter.app - INFO - software-center-agent finished with status 1
fanys@fanys-netbook:~$ LD_PRELOAD=/usr/lib/libstdc++.so.6 software-center
2011-03-11 14:50:47,311 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/share/software-center/softwarecenter/db/database.py', 142, 'open')'
2011-03-11 14:50:47,310 - root - WARNING - failed to add sca db Couldn't stat '/home/fanys/.cache/software-center/software-center-agent.db' (Adresář nebo soubor neexistuje)
/usr/share/software-center/softwarecenter/app.py:1114: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  self.window_main.show_all()
/usr/share/software-center/softwarecenter/SimpleGtkbuilderApp.py:50: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  gtk.main()
2011-03-11 14:50:56,395 - softwarecenter.app - INFO - software-center-agent finished with status 1
fanys@fanys-netbook:~$ software-center
Neoprávněný přístup do paměti (SIGSEGV) (core dumped [obraz paměti uložen])
fanys@fanys-netbook:~$ sudo LD_PRELOAD=/usr/lib/libstdc++.so.6 software-center
2011-03-11 14:51:41,881 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/share/software-center/softwarecenter/db/database.py', 142, 'open')'
2011-03-11 14:51:41,880 - root - WARNING - failed to add sca db Couldn't stat '/root/.cache/software-center/software-center-agent.db' (Adresář nebo soubor neexistuje)
/usr/share/software-center/softwarecenter/app.py:1114: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  self.window_main.show_all()
/usr/share/software-center/softwarecenter/SimpleGtkbuilderApp.py:50: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  gtk.main()
2011-03-11 14:51:48,091 - softwarecenter.backend.scagent - WARNING - error in query_info 'Operace není podporována'
2011-03-11 14:51:48,093 - softwarecenter.db.update - WARNING - error: Operace není podporována
2011-03-11 14:51:48,684 - softwarecenter.app - INFO - software-center-agent finished with status 1