Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 453, in on_window_main_delete_event
    self.save_state()
  File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1233, in save_state
    self.config.write()
  File "/usr/share/software-center/softwarecenter/config.py", line 45, in write
    os.rename(tmpname, self.configfile)
OSError: [Errno 5] Input/output error