Comment 2 for bug 1637756

This is an entirely different bug than the one it was marked as a duplicate of:

ott 29 19:59:26 hostname unity-panel-ser[2854]: window_menu_model_new: assertion 'BAMF_IS_APPLICATION(app)' failed
ott 29 19:59:26 hostname unity-panel-ser[2854]: track_menus: assertion 'IS_WINDOW_MENU(menus)' failed
ott 29 19:59:29 hostname /plugininstall.py[18998]: log-output -t ubiquity umount /target/cdrom
ott 29 19:59:29 hostname /plugininstall.py[18998]: Exception during installation:
ott 29 19:59:29 hostname /plugininstall.py[18998]: Traceback (most recent call last):
ott 29 19:59:29 hostname /plugininstall.py[18998]: File "/usr/share/ubiquity/plugininstall.py", line 1710, in <module>
ott 29 19:59:29 hostname /plugininstall.py[18998]: install.run()
ott 29 19:59:29 hostname /plugininstall.py[18998]: File "/usr/share/ubiquity/plugininstall.py", line 60, in wrapper
ott 29 19:59:29 hostname /plugininstall.py[18998]: func(self)
ott 29 19:59:29 hostname /plugininstall.py[18998]: File "/usr/share/ubiquity/plugininstall.py", line 184, in run
ott 29 19:59:29 hostname /plugininstall.py[18998]: self.configure_apt()
ott 29 19:59:29 hostname /plugininstall.py[18998]: File "/usr/share/ubiquity/plugininstall.py", line 587, in configure_apt
ott 29 19:59:29 hostname /plugininstall.py[18998]: "AptSetup failed with code %d" % ret)
ott 29 19:59:29 hostname /plugininstall.py[18998]: ubiquity.install_misc.InstallStepError: AptSetup failed with code 141
ott 29 19:59:29 hostname /plugininstall.py[18998]:
ott 29 19:59:49 hostname unity-panel-ser[2854]: menus_destroyed: assertion 'IS_WINDOW_MENU(wm)' failed