Problema con la grabadora

Hola,no consigo grabar nada desde hace 15 dias los datos de error de la grabadora son los siguientes:
indows XP 5.1
IA32
WinAspi: -
ahead WinASPI: File 'C:\Archivos de programa\Ahead\nero\Wnaspi32.dll': Ver=2.0.1.74, size=164112 bytes, created 26/10/2004 17:35:34
Versión de Nero: 6.6.0.3 (Nero Express)
Grabador: <HL-DT-ST DVDRAM GSA-4081B>Versión: A104 - HA 1 TA 1 - 6.6.0.3
Controlador de adaptador:<atapi> HA 1
Drive buffer : 2048kB
Bus Type : default (0) -> ATAPI, detected: ATAPI
CD-ROM: <HL-DT-ST DVD-ROM GDR8162B>Versión: 0015 - HA 1 TA 0 - 6.6.0.3
Controlador de adaptador:<atapi> HA 1
=== Scsi-Device-Map ===
DiskPeripheral : ST3120022A atapi Port 0 ID 0 DMA: On
CdRomPeripheral : HL-DT-ST DVD-ROM GDR8162B atapi Port 1 ID 0 DMA: On
CdRomPeripheral : HL-DT-ST DVDRAM GSA-4081B atapi Port 1 ID 1 DMA: On
=== CDRom-Device-Map ===
HL-DT-ST DVD-ROM GDR8162 D: CDRom0
HL-DT-ST DVDRAM GSA-4081 E: CDRom3
=======================
AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 83886080 (0) Byte
ShowDrvBufStat : 0
BUFE : 0
Physical memory : 1023MB (1048044kB)
Free physical memory: 617MB (632756kB)
Memory in use : 39 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)
18.12.2004
CD-ROM (ISO)
4:24:11 #1 Text 0 File Isodoc.cpp, Line 6168
Iso document burn settings
------------------------------------------
Determine maximum speed : FALSE
Simulate : FALSE
Write : TRUE
Finalize CD : FALSE
Multisession : TRUE
Multisession type: : Start multisession
Burning mode : TAO
Mode : 1
ISO Level : 1 (Max. Of 11 = 8 + 3 char)
Character set : ISO 9660
Joliet : TRUE
Allow pathdepth more than 8 directories : TRUE
Allow more than 255 characters in path : TRUE
Write ISO9660 ;1 file extensions : TRUE
4:24:11 #2 Text 0 File Burncd.cpp, Line 2866
HL-DT-ST DVDRAM GSA-4081B
Protección contra insuf. Datos activado
4:24:11 #3 Text 0 File Reader.cpp, Line 127
Reader running
4:24:11 #4 Text 0 File Writer.cpp, Line 122
Writer HL-DT-ST DVDRAM GSA-4081B running
4:24:11 #5 ISO9660GEN -11 File geniso.cpp, Line 3286
First writeable address = 0 (0x00000000)
4:24:11 #6 Text 0 File Burncd.cpp, Line 3151
Turn on Track-at-once, using CD-R/RW media
4:24:12 #7 Text 0 File DlgWaitCD.cpp, Line 256
Last possible write address on media: 359845 ( 79:59.70)
Last address to be written: 10494 ( 2:21.69)
4:24:12 #8 Text 0 File DlgWaitCD.cpp, Line 268
Write in overburning mode: NO (enabled: CD)
4:24:12 #9 Text 0 File DlgWaitCD.cpp, Line 2309
Recorder: HL-DT-ST DVDRAM GSA-4081B;
CDR code: 00 97 26 66; OSJ entry from: CMC Magnetics Corporation
ATIP Data:
Special Info [hex] 1: D0 00 98, 2: 61 1A 42 (LI 97:26.66), 3: 4F 3B 47 (LO 79:59.71)
Additional Info [hex] 1: 00 00 00 (invalid), 2: 00 00 00 (invalid), 3: 00 00 00 (invalid)
4:24:12 #10 Text 0 File DlgWaitCD.cpp, Line 430
>>> Protocol of DlgWaitCD activities: <<<
=========================================
4:24:12 #11 Text 0 File ThreadedTransferInterface.cpp, Line 830
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 ()
2 indices, index0 (150) not provided
original disc pos #0 + 10495 (10495) = #10495/2:19.70
relocatable, disc pos for caching/writing not required/ required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 10493 blocks [HL-DT-ST DVDRAM GSA-4081B]
--------------------------------------------------------------
4:24:12 #12 Text 0 File ThreadedTransferInterface.cpp, Line 1040
Prepare recorder [HL-DT-ST DVDRAM GSA-4081B] for write in TAO
DAO infos:
==========
MCN: ""
TOCType: 0x00; Session Closed, disc not fixated
Tracks 1 to 1:
1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 307200 21800960, ISRC ""
DAO layout:
===========
__Start_|____Track_|_Idx_|_CtrlAdr_|_RecDep__________
-150 | lead-in | 0 | 0x41 | 0x00
-150 | 1 | 0 | 0x41 | 0x00
0 | 1 | 1 | 0x41 | 0x00
10495 | lead-out | 1 | 0x41 | 0x00
4:24:12 #13 Text 0 File ThreadedTransferInterface.cpp, Line 1105
Removed 2 run-out blocks from end of track 1. Length: 10495 -> 10493.
4:24:12 #14 Phase 24 File dlgbrnst.cpp, Line 1832
Inicio del caché de archivos
4:24:12 #15 Text 0 File Burncd.cpp, Line 4038
Cache writing successful.
4:24:12 #16 Phase 25 File dlgbrnst.cpp, Line 1832
Caché de archivos terminado
4:24:12 #17 Phase 36 File dlgbrnst.cpp, Line 1832
Inicio del proceso de grabación a 24x (3.600 KB/s)
4:24:12 #18 Text 0 File ThreadedTransferInterface.cpp, Line 2596
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0
4:24:12 #19 Text 0 File Mmc.cpp, Line 21025
Set BUFE: Buffer underrun protection -> ON
4:24:30 #20 SCSI -1039 File Cdrdrv.cpp, Line 1430
SCSI Exec, HA 1, TA 1, LUN 0, buffer 0x0AD70000
Status: 0x04 (0x01, SCSI_ERR)
HA-Status 0x00 (0x00, OK)
TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND)
Sense Key: 0x04 (KEY_HARDWARE_ERROR)
Sense Code: 0x09
Sense Qual: 0x01
CDB Data: 0x2A 0x00 0x00 0x00 0x08 0x20 0x00 0x00 0x20 0x00 0x00 0x00
Sense Data: 0x71 0x00 0x04 0x00 0x00 0x00 0x00 0x10
0x34 0x10 0x04 0x80 0x09 0x01
4:24:30 #21 CDR -1039 File Writer.cpp, Line 311
Error de focus o pista.
4:24:30 #22 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion
4:24:30 #23 CDR -201 File WriterStatus.cpp, Line 200
Writestate incorrecto.
HL-DT-ST DVDRAM GSA-4081B\H1 T1
4:24:30 #24 TRANSFER -18 File WriterStatus.cpp, Line 200
No se ha podido realizar EndTrack.
4:24:30 #25 Text 0 File Mmc.cpp, Line 15737
<HL-DT-STDVDRAM GSA-4081B> start Close Session
4:24:30 #26 Phase 38 File dlgbrnst.cpp, Line 1832
El proceso de grabación ha fallado a 24x (3.600 KB/s)
Existing drivers:
File 'Drivers\PXHELP20.SYS': Ver=2.02.50a, size=17136 bytes, created 18/07/2004 0:58:28 (Prassi/Veritas driver for win 2K)
File 'Drivers\atapi.sys': Ver=5.1.2600.1106 (xpsp1.020828-1920), size=86912 bytes, created 29/08/2002 0:27:50 (Adapter driver for rec)
Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)
Te agradeceria que me pudieses ayudar