为什么ubuntu打不开语言支持

Question

点击系统设置，然后点击语言支持，之后就没反应了。。。不知出什么问题，软件中心、软件与更新同样打不开，究竟什么回事？？？其他的可以打开
命令行输入gnome-language-selector出现以下错误，不知为什么系统会使用python3的，可能于这个有关系？

Traceback (most recent call last):
  File "/usr/bin/gnome-language-selector", line 5, in <module>
    from LanguageSelector.gtk.GtkLanguageSelector import GtkLanguageSelector
  File "/usr/lib/python3/dist-packages/LanguageSelector/gtk/GtkLanguageSelector.py", line 24, in <module>
    import aptdaemon.client
  File "/usr/lib/python3/dist-packages/aptdaemon/client.py", line 35, in <module>
    import dbus
  File "/usr/lib/python3/dist-packages/dbus/__init__.py", line 103, in <module>
    from dbus._dbus import Bus, SystemBus, SessionBus, StarterBus
  File "/usr/lib/python3/dist-packages/dbus/_dbus.py", line 39, in <module>
    from dbus.bus import BusConnection
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 39, in <module>
    from dbus.connection import Connection
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 27, in <module>
    import threading
ImportError: No module named 'threading'

Answer 1

sudo apt-get install --reinstall libpython3.4-stdlib
https://bugs.launchpad.net/ub...
找了好久才找到～～～

Answer 2

重启一下电脑