Win Sockets Thread Error only in WinXP not Win7: I/O Operation has aborted ...

     public class SocketPacket
    {
        public System.Net.Sockets.Socket thisSocket;
        public byte[] dataBuffer = new byte[64];
    }


    /// <summary>
    /// receiving data
    /// </summary>
    byte[] concat = new byte[0];
    public void OnDataReceived(IAsyncResult asyn)
    {

        try
        {
            Console.Write("-");
            i = i + 64;
            byte[] src = { 0xAA, 0x55 };
            SocketPacket theSockId = (SocketPacket)asyn.AsyncState;
            int iRx = theSockId.thisSocket.EndReceive(asyn);
            Array.Resize(ref concat, i);

            Array.Copy(theSockId.dataBuffer, 0, concat, concat.Length - 64,64);

            int result = BytePharse.ByteSearch(theSockId.dataBuffer, src, 0);

            if (result != -1)
            {
                Console.WriteLine("\nCompleted, Press Enter to Exit...");
                BytePharse.pharseData(concat);
                Program.ev.Set();
            }

            int duzina = concat.Length;
            WaitForData();
        }
        catch (SocketException se)
        {
            Console.WriteLine(se.Message + "," + se.ErrorCode.ToString());
        }
    }
}