Windows 10 e autorizzazioni

private static void InviaAllaStampante()
        {
            ProcessStartInfo stampa = new ProcessStartInfo();
            stampa.Verb = "print";
            stampa.FileName = @"C:\Portable\BaseCover\Cover.pdf";
            stampa.CreateNoWindow = true;
            stampa.WindowStyle = ProcessWindowStyle.Hidden;

            Process p = new Process();
            p.StartInfo = stampa;
            p.Start();

            p.WaitForInputIdle();
            System.Threading.Thread.Sleep(3000);
            if (false == p.CloseMainWindow())
            p.Kill();
        }