cgminer error

C:\Users\xxx\Desktop\cgminer-3.1.1-windows>color 07

C:\Users\xxx\Desktop\cgminer-3.1.1-windows>cgminer --scrypt -o http://pool.com:443 -u zigzag32.1 -p x  --intensity 13 --shaders 1792 --thread-concu
rrency 24000 --worksize 256 -g 1 -D -T --verbose
 [2013-05-11 16:38:55] Started cgminer 3.1.1
 [2013-05-11 16:38:55] CL Platform 0 vendor: Intel(R) Corporation

 [2013-05-11 16:38:55] CL Platform 0 name: Intel(R) OpenCL
 [2013-05-11 16:38:55] CL Platform 0 version: OpenCL 1.1
 [2013-05-11 16:38:55] Error -1: Getting Device IDs (num)
 [2013-05-11 16:38:55] CL Platform 1 vendor: Advanced Micro Devices, Inc.

 [2013-05-11 16:38:55] CL Platform 1 name: AMD Accelerated Parallel Processing

 [2013-05-11 16:38:55] CL Platform 1 version: OpenCL 1.2 AMD-APP (1124.2)

 [2013-05-11 16:38:55] Platform 1 devices: 1
 [2013-05-11 16:38:55]  0       Tahiti
 [2013-05-11 16:38:55] GPU 0 iAdapterIndex 0 strUDID PCI_VEN_1002&DEV_679A&SUBSY
S_254C1458&REV_00_4&38AC18AC&0&0009A iBusNumber 2 iDeviceNumber 0 iFunctionNumbe
r 0 iVendorID 1002 strAdapterName  AMD Radeon HD 7900 Series

 [2013-05-11 16:38:55] GPU 0 AMD Radeon HD 7900 Series hardware monitoring enabl
ed
 [2013-05-11 16:38:55] Probing for an alive pool
 [2013-05-11 16:38:55] Popping work to stage thread
 [2013-05-11 16:38:55] Testing pool http://www.pool.com:443

 [2013-05-11 16:38:55] Probing for GBT support
 [2013-05-11 16:38:55] X-Roll-Ntime expiry set to 120
 [2013-05-11 16:38:55] JSON-RPC call failed: {
   "message": "method not getwork",
   "code": -1
}
 [2013-05-11 16:38:55] Failed to connect in json_rpc_call
 [2013-05-11 16:38:55] No GBT coinbase + append support found, using getwork pro
tocol
 [2013-05-11 16:38:55] X-Roll-Ntime expiry set to 120
 [2013-05-11 16:38:55] Successfully retrieved and deciphered work from pool 0 ht
tp://www.pool.com:443
 [2013-05-11 16:38:55] Pushing pooltest work to base pool
 [2013-05-11 16:38:55] Network diff set to 1.83M
 [2013-05-11 16:38:55] Pool 0 http://www.pool.com:443 alive

 [2013-05-11 16:38:55] Long-polling activated for http://www.pool.com:4
43/LP
 [2013-05-11 16:38:55] New block: b1682434da28e517... diff 1.83M

 [2013-05-11 16:38:55] Pushing work to getwork queue
 [2013-05-11 16:38:55] Popping work to stage thread
 [2013-05-11 16:38:56] Pushing ping to thread 0
 [2013-05-11 16:38:56] Init GPU thread 0 GPU 0 virtual GPU 0

 [2013-05-11 16:38:56] CL Platform vendor: Advanced Micro Devices, Inc.

 [2013-05-11 16:38:56] CL Platform name: AMD Accelerated Parallel Processing

 [2013-05-11 16:38:56] CL Platform version: OpenCL 1.2 AMD-APP (1124.2)

 [2013-05-11 16:38:56] List of devices:
 [2013-05-11 16:38:56]  0       Tahiti
 [2013-05-11 16:38:56] Selected 0: Tahiti
 [2013-05-11 16:38:56] Preferred vector width reported 1
 [2013-05-11 16:38:56] Max work group size reported 256
 [2013-05-11 16:38:56] Max mem alloc size is 536870912
 [2013-05-11 16:38:56] Selecting scrypt kernel
 [2013-05-11 16:38:56] GPU 0: selecting lookup gap of 2
 [2013-05-11 16:38:56] No binary found, generating from source

 [2013-05-11 16:38:56] Setting worksize to 256
 [2013-05-11 16:38:56] cl_amd_media_ops found, setting BITALIGN

 [2013-05-11 16:38:56] BFI_INT patch requiring device not found, will not BFI_IN
T patch
 [2013-05-11 16:38:56] CompilerOptions: -D LOOKUP_GAP=2 -D CONCURRENT_THREADS=24
000 -D WORKSIZE=256 -D BITALIGN -D GOFFSET