Не работает программа exe, запускаемая из проекта

string midi2asciiProgramName = @"D:\midi2ascii.exe";
            string midiFileName = @"D:\81979.mid";
            string textFileName = @"D:\81979.txt";
            string commands = "-c -s";
            string bigger = ">";
            System.Diagnostics.Process.Start(midi2asciiProgramName, midi2asciiProgramName + commands + midiFileName + bigger + textFileName);

string standard = @"C:\Documents and Settings\ADMIN>";
string midi2asciiProgramName = @"D:\midi2ascii.exe";
string midiFileName = @"D:\81979.mid";
string textFileName = @"D:\81979.txt";
string commands = "-c -s";
string bigger = ">";
System.Diagnostics.Process.Start(midi2asciiProgramName, standard + midi2asciiProgramName + " " + commands + " "+ midiFileName + " " + bigger + " " + textFileName);

System.Diagnostics.Process.Start(midi2asciiProgramName, standard + midi2asciiProgramName + " " + commands + " "+ midiFileName + " " + bigger + " " + textFileName);

System.Diagnostics.Process.Start(standard + midi2asciiProgramName + " " + commands + " "+ midiFileName + " " + bigger + " " + textFileName);

string midiFileName = @"D:\81979.mid";
string textFileName = @"D:\81979.txt";
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.CreateNoWindow = false;
startInfo.UseShellExecute = false;
startInfo.FileName = @"D:\midi2ascii.exe";
startInfo.WindowStyle = ProcessWindowStyle.Hidden;
startInfo.Arguments = "-c -s" + midiFileName + " > " + textFileName;
System.Diagnostics.Process.Start(startInfo);

System.Diagnostics.Process.Start(startInfo);
на
try
{
// Start the process with the info we specified.
// Call WaitForExit and then the using statement will close.
using (Process exeProcess = Process.Start(startInfo))
{
exeProcess.WaitForExit();
}
}
catch
{
// Log error.
}

string midiFileName = @"D:\81979.mid";
string textFileName = @"D:\81979.txt";
 
Process p = new Process();
p.StartInfo.UseShellExecute = false;
p.StartInfo.FileName = @"D:\midi2ascii.exe";
p.StartInfo.Arguments = "-c -s" + midiFileName;
p.StartInfo.RedirectStandardOutput = true;
p.Start();
string output = p.StandardOutput.ReadToEnd();
p.WaitForExit();
File.WriteAllText(textFileName, output);