Threading Problem

private Thread TCPServer;
public static List<Thread> processor;


TCPServer = new Thread(delegate()
{
    new TCPServer();
});
TCPServer.Start();

//Some code which handles a database
.
.
.

StartListening();

public TcpListener listener;
public static List<TcpClient> lstClientsTCP = new List<TcpClient>();

        private void StartListening()
        {
            int foo = 0;
            int bar = 0;

            try
            {
                DB.ConnectDataBase();

                lstClientsTCP = new List<TcpClient>();
                byte[] bytes = new Byte[1024];

                string Host = Dns.GetHostName();

                IPHostEntry IPs = Dns.GetHostByName(Host);
                IPAddress[] Direcciones = IPs.AddressList;

                IPAddress ipAddress = IPAddress.Parse(Direcciones[0].ToString());

                IPEndPoint localEndPoint = new IPEndPoint(ipAddress, listenport);


                while (true)
                {
                    listener = new TcpListener(localEndPoint);
                    listener.Start();

                    TcpClient client = listener.AcceptTcpClient();
                    client.ReceiveTimeout = 30000;

                    listener.Stop();

                    Thread tmpThread = null;
                    bar = foo;
                    tmpThread = new Thread(delegate() { ServiceClient(client, bar); });
                    FrmMain.processor.Add(tmpThread);
                    FrmMain.processor[foo].Start();
                    foo++;
                    if (foo == 999)
                        foo = 0;
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("STARTLISTENING: " + ex.Message + "->" + ex.StackTrace);
            }
        }