private void button3_Click(object sender, EventArgs e)
        {
            // converts the hex string to the byte representation
            int i = 0;
            int x = 0;
            byte[] bytes = new byte[(textBox1.Text.Length) / 2];
            while (textBox1.Text.Length > i + 1)
            {
                long lngDecimal = Convert.ToInt32(textBox1.Text.Substring(i, 2), 16);
                bytes[x] = Convert.ToByte(lngDecimal);
                i = i + 2;
                ++x;
            }
            if (textBox1.TextLength == 16)
            {
                // sets your xuid
                uint num;
                XboxConsole xuid = manager.OpenConsole(manager.DefaultConsole);
                xuid.DebugTarget.SetMemory(0x81CFAB1C, (uint)bytes.Length, bytes, out num);
            }
            else
            {
                throw new Exception("Not a valid xuid");
            }
        }
    }
}