def disconnect(name):
    tasklist = [line.split() for line in check_output("tasklist").splitlines()]
    killname = [bytes(word, encoding='utf8') for word in name.split()]
    l = len(killname)
    try:
        for line in tasklist:
            if line and line[:l] == killname:
                pid = int(line[l])
                kill(pid, 0)
    except OSError:
        pass

disconnect('Connectivity Manager.exe')