Well, this is what causes the crash:
/usr/share/themes/Clearlooks/gtk-2.0/gtkrc:59: error: unexpected identifier `animation', expected character `}' /tmp/tmpKRewzQ/DistUpgradeViewGtk.py:286: GtkWarning: GdkWindow 0x1c4abca unexpectedly de
Well, this is what causes the crash:
/usr/share/ themes/ Clearlooks/ gtk-2.0/ gtkrc:59: error: unexpected identifier `animation', DistUpgradeView Gtk.py: 286: GtkWarning: GdkWindow 0x1c4abca unexpectedly de
expected character `}'
/tmp/tmpKRewzQ/