private void ExeBat()

        {

            Process pro = new Process();

            try

            {

                pro.StartInfo.CreateNoWindow = true;

                pro.StartInfo.UseShellExecute = false;

                pro.StartInfo.FileName = "Uninstall.bat";

                pro.StartInfo.CreateNoWindow = true;

                pro.Start();

                pro.WaitForExit();

            }

            catch (Exception ex)

            { MessageBox.Show(ex.Message, "錯誤 bat", MessageBoxButtons.OK, MessageBoxIcon.Error); }

        }

        private void Uninstall()

        {

            Process pro = new Process();

            try

            {

                pro = System.Diagnostics.Process.Start("msiexec.exe", "/x{91B75A2D-B920-4E1C-ADFC-3B2473510086}");

                pro.Close();

            }

            catch (Exception ex)

            { MessageBox.Show(ex.Message, "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error); }

        }