PIC TCPIP stack problem

#if STACK_USE_CCS_PICENS
 #define STACK_USE_MCPENC 1
#endif

#if STACK_USE_CCS_PICEEC
 #define STACK_USE_MCPINC 1
#endif


 #include <18F66J60.h>
 #fuses NOWDT, NODEBUG,HS, NOIESO, NOFCMEN, PRIMARY
 #use delay(clock=25M)



#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7)

#include "tcpip/stacktsk.c"    //include Microchip TCP/IP Stack


#if STACK_USE_CCS_PICEEC
 #include "tcpip/elcd.c"
 #define BUTTON1_PRESSED()  (!input(PIN_A4))
 #define USER_LED1    PIN_A0
 #define USER_LED2    PIN_A1
 #define USER_LED3    PIN_A2
 #define LED_ON       output_low
 #define LED_OFF      output_high
 #define STANDARD_ADC_STRING  "AN2"
 #define STANDARD_ADC_CHANNEL 2
 void init_user_io(void) {
 //  setup_adc(ADC_CLOCK_INTERNAL);
   //setup_adc_ports(AN0_TO_AN2);
 //  set_adc_channel(2);
   *0xF92=*0xF92 & 0x00;   //a0 and a1 output
  // *0xF93=*0xF93 & 0xC7;   //b3, b4 and b5 output
  LED_OFF(USER_LED1);
  LED_OFF(USER_LED2);
  LED_OFF(USER_LED3);
   //set_adc_channel(2);
 }


void MACAddrInit(void) {
   MY_MAC_BYTE1=0;
   MY_MAC_BYTE2=2;
   MY_MAC_BYTE3=3;
   MY_MAC_BYTE4=4;
   MY_MAC_BYTE5=5;
   MY_MAC_BYTE6=6;
}

void IPAddrInit(void) {
   //IP address of this unit
   MY_IP_BYTE1=192;
   MY_IP_BYTE2=168;
   MY_IP_BYTE3=0;
   MY_IP_BYTE4=7;

   //network gateway
   MY_GATE_BYTE1=192;
   MY_GATE_BYTE2=168;
   MY_GATE_BYTE3=0;
   MY_GATE_BYTE4=1;

   //subnet mask
   MY_MASK_BYTE1=255;
   MY_MASK_BYTE2=255;
   MY_MASK_BYTE3=255;
   MY_MASK_BYTE4=0;
}

char ExampleIPDatagram[] = {
   0x45, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
   0x64, 0x11, 0x2A, 0x9D, 0x0A, 0x0B, 0x0C, 0x0D,
   0x0A, 0x0B, 0x0C, 0x0E
};

char ExampleUDPPacket[] = {
   0x04, 0x00, 0x04, 0x01, 0x00, 0x08, 0x00, 0x00,
   0x01, 0x02, 0x03, 0x04
};