private bool DisableUAC()

         {

             try

             {

                 string path = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System";

                 string uac = "EnableLUA";

                 RegistryKey key = Registry.LocalMachine.CreateSubKey(path);

                 if (key != null)

                 {

                     key.SetValue(uac, , RegistryValueKind.DWord);

                     key.Close();

                 }

                 return true;

             }

             catch(Exception ex)

             {

                 MessageBox.Show(ex.Message);

                 return false;

             }

         }

         private void Reboot()

         {

             System.Diagnostics.Process.Start("shutdown", " -r -t 0");

         }