Process proc = new Process();
            try
            {
                string uName = Properties.Settings.Default.uName;
                SecureString pWord1 = String2SecureString(Properties.Settings.Default.pWord);
                string doMain = Properties.Settings.Default.doMain;
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.LoadUserProfile = true;
                string path = Environment.CurrentDirectory;
                proc.StartInfo.WorkingDirectory = path;
                proc.StartInfo.FileName = apptoopen;
                proc.StartInfo.Domain = doMain;
                proc.StartInfo.UserName = uName;
                proc.StartInfo.Password = pWord1;
                proc.Start();
            }
            catch (InvalidOperationException e)
            {
                MessageBox.Show(e.Message);
            }
            catch (Win32Exception e)
            {
                MessageBox.Show(e.Message);
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
            }