Try
                p = New System.Diagnostics.Process
                p.StartInfo.FileName = "\\domain\..\..\prog.bat"
                p.StartInfo.Domain = "domain"
                p.StartInfo.RedirectStandardOutput = True
                p.StartInfo.UserName = "username"
                p.StartInfo.Password = ConvertToSecureString("password")
                p.StartInfo.UseShellExecute = False
                p.StartInfo.CreateNoWindow = ProcessWindowStyle.Hidden
                .StartInfo.Arguments() = parameter
                p.Start()
            Catch ex As Exception
                Error1("Fehler ---> Das Batch-Programm konnte nicht" & _
                  "gestartet werden: " & ex.Message, fi)
                GoTo Continue1
            End Try