Traceback (most recent call last):
  File "/usr/bin/update-notifier-kde", line 168, in aptDirectoryChanged
    result = apt_check.run()
  File "/usr/lib/update-notifier/apt_check.py", line 130, in run
    sys.stderr.write("%s;%s" % (upgrades,security_updates))
IOError: [Errno 5] Error de entrada/salida