I have this Process class which overrides standard multiprocessing.Process class in order to catch exceptions occurred in child process. Also I use dill and override multiprocessing standard Pickler because I need to. import dill import traceback import multiprocessing dill.Pickler.dumps, dill.Pickler.loads = dill.dumps, dill.loads multiprocessing.reduction.ForkingPickler = dill.Pickler multiprocessing.reduction.dump = dill.dump class Process(multiprocessing.Process): def __init__(self, *args, **kwargs):… Read More Python error [WinError 6] while using multiprocessing.Process with dill instead of standard Pickle