Os icones menu do meu Mint sumiram.

vinids

Pessoal boa tarde,
O menu do meu Mint parou de funcionar.
Quando ele inicia, ele dá o seguinte erro...
Não foi possível inicializar plugin applications : Traceback (most recent call last):

File "/usr/lib/linuxmint/mintMenu/mintMenu.py", line 317, in PopulatePlugins
MyPlugin.do_plugin()

File "/usr/lib/linuxmint/mintMenu/plugins/applications.py", line 1324, in do_plugin
self.Todos()

File "/usr/lib/linuxmint/mintMenu/plugins/applications.py", line 586, in Todos
self.buildButtonList()

File "/usr/lib/linuxmint/mintMenu/plugins/applications.py", line 615, in buildButtonList
self.updateBoxes(False)

File "/usr/lib/linuxmint/mintMenu/plugins/applications.py", line 1604, in updateBoxes
newCategoryList = self.buildCategoryList()

File "/usr/lib/linuxmint/mintMenu/plugins/applications.py", line 1770, in buildCategoryList
for child in menu.directory.get_contents():

AttributeError: 'NoneType' object has no attribute 'get_contents'

As configurações do meu note são, i3, 1TB, 4GB eu uso o Linux Mint 17.2 Rafaela