Process QProc = new Process();
QProc.StartInfo.FileName = "cmd";
QProc.StartInfo.Arguments ="/c InstallUtil "+ "\""+ filefullPath +"\"";
QProc.StartInfo.WorkingDirectory = Environment.GetEnvironmentVariable("windir") + @"\Microsoft.NET\Framework\v2.0.50727\";
QProc.StartInfo.UseShellExecute = false;
// QProc.StartInfo.CreateNoWindow = true;
QProc.StartInfo.RedirectStandardOutput = true;
QProc.Start();
// QProc.WaitForExit();
QProc.Close();