terminal error message

Traceback (most recent call last):
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\wmi.py", line 817, in query
    return self._namespace.query (wql, self, fields)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\wmi.py", line 1009, in query
    return [ _wmi_object (obj, instance_of, fields) for obj in self._raw_query(wql) ]
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\wmi.py", line 1009, in <listcomp>
    return [ _wmi_object (obj, instance_of, fields) for obj in self._raw_query(wql) ]
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\win32com\client\dynamic.py", line 252, in __getitem__
    return self._get_good_object_(self._enum_.__getitem__(index))
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\win32com\client\util.py", line 37, in __getitem__
    return self.__GetIndex(index)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\win32com\client\util.py", line 53, in __GetIndex
    result = self._oleobj_.Next(1)
pywintypes.com_error: (-2147217396, 'OLE error 0x8004100c', None, None)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "_ctypes/callbacks.c", line 234, in 'calling callback function'
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\infi\systray\traybar.py", line 79, in WndProc
    self._message_dict[msg](hwnd, msg, wparam.value, lparam.value)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\infi\systray\traybar.py", line 278, in _command
    self._execute_menu_option(id)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\infi\systray\traybar.py", line 285, in _execute_menu_option
    menu_action(self)
  File "d:\Code-Dev\Pyhthon\systray brightness\brightness.py", line 41, in bri_25
    br = c.WmiMonitorBrightnessMethods()[0]
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\wmi.py", line 819, in query
    handle_com_error ()
  File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\wmi.py", line 241, in handle_com_error
    raise klass (com_error=err)
wmi.x_wmi: <x_wmi: Unexpected COM Error (-2147217396, 'OLE error 0x8004100c', None, None)>