Comment 7 for bug 898184

Same here. Running from the console shows:

tim@lappy ~ $ mintmenu
*********** Keybind Driver Load Failure **************
Error Report : No module named deskbar.core.keybinder
Opacity is: 98
Setting opacity to: 0.98
__init__ took 202.504 ms
Binding to Hot Key: Super_L
** WARNING ** - Menu Hotkey Binding Error
Error Report :
global name 'bind_key' is not defined
/usr/lib/linuxmint/mintMenu/mintMenu.py:857: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  main_window.show()

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I tried installing python-keybinder: Installed: 0.2.2-3, but to no effect.

I was warned some things would be broken in LMDE! :-) Hopefully this info will help out.