BetterExplorer.UpdateWizard.wizardControl1_Finished C# (CSharp) Метод

        private void wizardControl1_Finished(object sender, EventArgs e)
        {
            string ExePath = Utilities.AppDirectoryItem("Updater.exe");

            string filesForExtract = String.Empty;
            foreach (string item in this.UpdateLocalPaths)
            {
                filesForExtract += $"{item};";
            }
            using (Process proc = new Process())
            {
                var psi = new ProcessStartInfo
                {
                    FileName = ExePath,
                    Verb = "runas",
                    UseShellExecute = true,
                    Arguments = $"/env /user:Administrator \"{ExePath}\" UP:{filesForExtract}"
                };

                proc.StartInfo = psi;
                proc.Start();

                //if (proc.ExitCode == -1)
                //  System.Windows.MessageBox.Show("Error in Update!", "Error", MessageBoxButton.OK, MessageBoxImage.Error);

            }
            System.Windows.Application.Current.Shutdown();
        }