Problema: mi grabador de DVD no graba

Hola a todos.
Tengo un problema: desde hace un par de semanas mi grabador no graba, no se que le pasa, pero cuando lleva un 15-25% mas o menos me da un error de escritura, aqui os dejo el error que me da:
Nero Burning ROM
Windows XP 5.1
IA32
WinAspi: File 'Wnaspi32.dll': Ver=4.57 (1008), size=48128 bytes, created 23/12/1997 3:23:24
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
Nero Version: 6.6.0.8 (Nero Express)
Recorder: <PIONEER DVD-RW DVR-107D>Version: 1.21 - HA 1 TA 0 - 6.6.0.8
Adapter driver: <atapi> HA 1
Drive buffer : 2000kB
Bus Type : default (0) -> ATAPI, detected: ATAPI
CD-ROM: <AXV CD/DVD-ROM >Version: 2.2a - HA 2 TA 0 - 6.6.0.8
Adapter driver: <a347scsi> HA 2
=== Scsi-Device-Map ===
DiskPeripheral : WDC WD800BB-00CAA1 atapi Port 0 ID 0 DMA: On
DiskPeripheral : Maxtor 6Y160P0 atapi Port 0 ID 1 DMA: On
CdRomPeripheral : PIONEER DVD-RW DVR-107D atapi Port 1 ID 0 DMA: On
CdRomPeripheral : SONY CD-RW CRX160E atapi Port 1 ID 1 DMA: On
CdRomPeripheral : AXV CD/DVD-ROM 2.2a a347scsi Port 2 ID 0 DMA: Off
=== CDRom-Device-Map ===
PIONEER DVD-RW DVR-107D E: CDRom0
SONY CD-RW CRX160E D: CDRom4
AXV CD/DVD-ROM F: CDRom2
=======================
AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 83886080 (0) Byte
ShowDrvBufStat : 0
BUFE : 0
Physical memory : 1023MB (1048096kB)
Free physical memory: 510MB (523116kB)
Memory in use : 50 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)
11.6.2007
ISO compilation
13:10:28 #1 Text 0 File Isodoc.cpp, Line 6172
Iso document burn settings
------------------------------------------
Determine maximum speed : FALSE
Simulate : FALSE
Write : TRUE
Finalize CD : TRUE
Multisession : FALSE
Burning mode : DAO
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
13:10:28 #2 Text 0 File Reader.cpp, Line 127
Reader running
13:10:28 #3 Text 0 File Writer.cpp, Line 122
Writer PIONEER DVD-RW DVR-107D running
13:10:28 #4 ISO9660GEN -11 File geniso.cpp, Line 3293
First writeable address = 0 (0x00000000)
13:10:29 #5 Text 0 File Burncd.cpp, Line 3153
Turn on Disc-At-Once, using DVD media
13:10:29 #6 Text 0 File DlgWaitCD.cpp, Line 259
Last possible write address on media: 2295103 (510:01.28, 4482MB)
Last address to be written: 2006511 (445:53.36, 3918MB)
13:10:29 #7 Text 0 File DlgWaitCD.cpp, Line 271
Write in overburning mode: NO (enabled: CD)
Nero Report 1
Nero Burning ROM
13:10:29 #8 Text 0 File DlgWaitCD.cpp, Line 2316
Recorder: PIONEER DVD-RW DVR-107D, Media type: DVD+R
Disc Manufacturer ID: YUDEN000, Media Type ID: T01, Product revision number: 1
Disc Application Code: 0, Extended Information Indicators: 1
13:10:29 #9 Text 0 File DlgWaitCD.cpp, Line 433
>>> Protocol of DlgWaitCD activities: <<<
=========================================
13:10:29 #10 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 + 2006512 (2006512) = #2006512/445:53.37
relocatable, disc pos for caching/writing not required/ required, no patch i
nfos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 2006512 bl
ocks [PIONEER DVD-RW DVR-107D]
--------------------------------------------------------------
13:10:29 #11 Text 0 File ThreadedTransferInterface.cpp, Line 1043
Prepare recorder [PIONEER DVD-RW DVR-107D] for write in CUE-sheet-DAO
DAO infos:
==========
MCN: ""
TOCType: 0x00; Session Closed, disc fixated
Tracks 1 to 1:
1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 0 41093365
76, ISRC ""
DAO layout:
===========
__Start_|____Track_|_Idx_|_CtrlAdr_|_RecDep_______ ___
0 | lead-in | 0 | 0x41 | 0x00
0 | 1 | 0 | 0x41 | 0x00
0 | 1 | 1 | 0x41 | 0x00
2006512 | lead-out | 1 | 0x41 | 0x00
13:10:29 #12 Phase 24 File dlgbrnst.cpp, Line 1832
Caching of files started
13:10:29 #13 Text 0 File Burncd.cpp, Line 4040
Cache writing successful.
13:10:29 #14 Phase 25 File dlgbrnst.cpp, Line 1832
Caching of files completed
13:10:29 #15 Phase 36 File dlgbrnst.cpp, Line 1832
Burn process started at 4x (5.540 KB/s)
13:10:29 #16 Text 0 File ThreadedTransferInterface.cpp, Line 2609
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig a
t #0): write at #0
13:10:29 #17 Text 0 File Cdrdrv.cpp, Line 8430
---- DVD Structure: Physical Format Information (00h) ----
Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050
Book Type: DVD+R (10), Part Version: 1
Disc Size: 120 mm, Maximum Rate: <not specified> (F h)
Number of Layers: 1, Track Path: Parallel Track Path (PTP), Layer Type: rec
ordable
Linear Density: 0,267 um/bit, Track Density: 0,74 um/track
Starting Physical Sector Number of Data Area: 30000 h (DVD-ROM, DVD-R/-RW, DVD+
R/+RW)
End Physical Sector Number of Data Area: 26053F h
End Sector Number in Layer 0: 0 h (LBN: FFFD0000 h, 4193920 MB)
Data in Burst Cutting Area (BCA) does not exist
Disc Application Code: 0 / 0 h
Extended Information indicators: 1 h
Disc Manufacturer ID: YUDEN000
Media type ID: T01
Product revision number: 1
Number of Physical format information bytes in use in ADIP up to byte 63: 56
Media Specific [16..63]:
00 00 01 59 55 44 45 4E - 30 30 30 54 30 31 01 38 ...YUDEN000T01.8
23 54 37 10 02 4E 72 02 - 9C 63 16 16 0B 0B 0A 0A #T7..Nr..c......
01 19 1B 0B 0B 0E 0F 01 - 00 00 00 00 00 00 00 00 ................
13:10:30 #18 Text 0 File DVDPlusRW.cpp, Line 638
Start write address at LBA 0
Nero Report 2
Nero Burning ROM
DVD high compatibility mode: Yes
13:10:32 #19 Text 0 File Cdrdrv.cpp, Line 1287
13:10:32.992 - PIONEER DVD-RW DVR-107D\H1 T0 : Queue again later
13:11:07 #20 Text 0 File Cdrdrv.cpp, Line 1287
13:11:07.301 - PIONEER DVD-RW DVR-107D\H1 T0 : Queue again later
13:14:37 #21 SCSI -1135 File Cdrdrv.cpp, Line 1435
SCSI Exec, HA 1, TA 0, LUN 0, buffer 0x0ABB0000
Status: 0x04 (0x01, SCSI_ERR)
HA-Status 0x00 (0x00, OK)
TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND)
Sense Key: 0x03 (KEY_MEDIUM_ERROR)
Sense Code: 0x0C
Sense Qual: 0x00
CDB Data: 0x2A 0x00 0x00 0x08 0xA3 0x20 0x00 0x00 0x20 0x00 0x00 0x00
Sense Data: 0x70 0x00 0x03 0x00 0x08 0xA0 0x50 0x0E
0x00 0x00 0x00 0x00 0x0C 0x00
13:14:37 #22 CDR -1135 File Writer.cpp, Line 311
Write error
13:14:38 #23 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion
13:14:38 #24 Text 0 File ThreadedTransfer.cpp, Line 222
conversion idle, stopping reader
13:14:40 #25 Phase 38 File dlgbrnst.cpp, Line 1832
Burn process failed at 4x (5.540 KB/s)
Existing drivers:
File 'Drivers\ASPI32.SYS': Ver=4.57 (1008), size=23936 bytes, created 23/12/1997 4:02:46
File 'Drivers\atapi.sys': Ver=5.1.2600.2180 (xpsp_sp2_rtm.040803-2158), size=95360 bytes, created
3/8/2004 22:59:44 (Adapter driver for rec)
File 'Drivers\a347scsi.sys': Ver=3.47.0.0 built by: WinDDK, size=5248 bytes, created 30/4/2004 10
:33:00 (Adapter driver for src)
Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)


Gracias de antemano!