如何解决c#中的创建任务错误

我想让任务的条件如下

安全选项

1. 帐户：SYSTEM
2. 无论用户是否登录都运行
3. 以最高权限运行

创建任务调度程序时，出现异常（HRESULT:0x80070005）E_ACESSDENIED

    private void CreateTask()
    {
                        try
                        {
                            using (TaskService ts = new TaskService())
                            {
                                var newTask = ts.NewTask();
                                newTask.RegistrationInfo.Author = Environment.UserName;
                                newTask.RegistrationInfo.Description = "Crfs Bin Upload";
                                newTask.Principal.UserId = new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null).Translate(typeof(NTAccount)).Value;
                                newTask.Principal.RunLevel = TaskRunLevel.Highest;
                                Trigger trigger = new DailyTrigger();
                                trigger.StartBoundary = DateTime.Now.AddMinutes(5);
                                trigger.Repetition.Interval = TimeSpan.FromMinutes(5);
                                trigger.Repetition.StopAtDurationEnd = false;
                                trigger.Enabled = true;
                                newTask.Settings.MultipleInstances = TaskInstancesPolicy.IgnoreNew;
                                newTask.Settings.DisallowStartIfOnBatteries = true;
                                newTask.Settings.StopIfGoingOnBatteries = false;
                                newTask.Settings.AllowHardTerminate = false;
                                newTask.Settings.StartWhenAvailable = false;
                                newTask.Settings.RunOnlyIfNetworkAvailable = true;
                                newTask.Settings.IdleSettings.StopOnIdleEnd = false;
                                newTask.Settings.IdleSettings.RestartOnIdle = false;
                                newTask.Settings.Enabled = true;
                                newTask.Settings.Hidden = false;
                                newTask.Settings.RunOnlyIfIdle = false;
                                newTask.Settings.WakeToRun = false;
                                newTask.Settings.ExecutionTimeLimit = TimeSpan.FromSeconds(0);
                                newTask.Settings.Priority = System.Diagnostics.ProcessPriorityClass.Normal;
                                newTask.Triggers.Add(trigger);
                                newTask.Actions.Add(new ExecAction("notepad.exe"));

                                ts.RootFolder.RegisterTaskDefinition("NewTask", newTask);
                                MessageBox.Show("작업 스케줄러가 정상적으로 등록되었습니다.", "작업 스케줄러 등록", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                            }
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show("작업 스케줄러의 등록을 실패하였습니다.'r'n" + ex.Message, "작업 스케줄러 등록 실패", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        }
                    }
}