Удаление задания в планировщике заданий!

Process.Start("SCHTASKS", "/Delete /TN \"" + taskName + "\"");

// пример из документации https://github.com/dahall/TaskScheduler/wiki/Examples
void GetAndDeleteTask(taskName)
{
   // Retrieve the task, change the trigger and re-register it.
   // A taskName by itself assumes the root folder (e.g. "MyTask")
   // A taskName can include folders (e.g. "MyFolder\MySubFolder\MyTask")
   Task t = ts.GetTask(taskName);
   if (t == null) return;
   t.Definition.Triggers[0](0).StartBoundary = DateTime.Today + TimeSpan.FromDays(7);
   t.RegisterChanges();
 
   // Check to make sure account privileges allow task deletion
   var identity = WindowsIdentity.GetCurrent();
   var principal = new WindowsPrincipal(identity);
   if (!principal.IsInRole(WindowsBuiltInRole.Administrator))
      throw new Exception($"Cannot delete task with your current identity '{identity.Name}' permissions level." +
      "You likely need to run this application 'as administrator' even if you are using an administrator account.");
 
   // Remove the task we just created
   ts.RootFolder.DeleteTask(taskName);
}