Gravure échoue

bonjour, j'ai un PC avec windows XP SP2. Souvent, à la fin de la gravure, j'ai le message : la gravure a échoué.
Voici la Log de Néro :
Windows XP 5.1
IA32
WinAspi: File 'Wnaspi32.dll': Ver=4.71 (0002), size=45056 bytes, created 17/07/2002 09:20:56
ahead WinASPI: File 'C:\Program Files\Ahead\Nero\Wnaspi32.dll': Ver=2.0.1.50, size=131072 bytes, created 25/06/2002 17:34:54
Nero Version: 5.5.10.7
Recorder: <PIONEER DVD-RW DVR-110D>Version: 1.39 - HA 1 TA 1 - 5.5.10.7
Adapter driver: <atapi> HA 1
Drive buffer : 2000kB
Bus Type : via Inquiry data (1) -> ATAPI, detected: ATAPI
Connected to MMC as unknown drive with class-nr : 1
CD-ROM: <HL-DT-ST DVD-ROM GDR8161B>Version: 0042 - HA 1 TA 0 - 5.5.10.7
Adapter driver: <atapi> HA 1
Bus Type : default (0) -> ATAPI, detected: ATAPI

=== Scsi-Device-Map ===
DiskPeripheral : Maxtor 6Y080L0 atapi Port 0 ID 0 DMA: On
CdRomPeripheral : HL-DT-ST DVD-ROM GDR8161B atapi Port 1 ID 0 DMA: On
CdRomPeripheral : PIONEER DVD-RW DVR-110D atapi Port 1 ID 1 DMA: On
CdRomPeripheral : SCSIVAX DVD/CD-ROM 2.7a Vax347s Port 2 ID 0 DMA: ?
=======================

AutoRun : 1
Excluded drive IDs:
CmdQueuing : 1
CmdNotification: 2
WriteBufferSize: 83886080 (0) Byte
ShowDrvBufStat : 0
EraseSpeed : 0
BUFE : 0
Physical memory : 1023MB (1048044kB)
Free physical memory: 629MB (644428kB)
Memory in use : 38 %
Uncached PFiles: 0x0
Use Static Write Speed Table: 0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Enabled (1)
Wizard: Off

31.5.2006
CD-ROM (ISO)
11:48:00 #1 Text 0 File Isodoc.cpp, Line 7328
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 : FALSE
Allow more than 255 characters in path : FALSE
Write ISO9660 ;1 file extensions : TRUE

11:48:00 #2 Text 0 File Reader.cpp, Line 115
Reader running

11:48:00 #3 Text 0 File Writer.cpp, Line 123
Writer PIONEER DVD-RW DVR-110D running

11:48:00 #4 ISO9660GEN -11 File geniso.cpp, Line 4546
First writeable address = 0 (0x00000000)

11:48:00 #5 Text 0 File Burncd.cpp, Line 3811
Turn on Disc-At-Once, using DVD media

11:48:00 #6 Text 0 File ThreadedTransferInterface.cpp, Line 670
Setup items (original item values)
0: TRM_DATA_MODE1 (CTransferItem)
2 indices, index0 (150) not provided
original CD pos #0 + 1070656 (1070656) = #1070656/237:55.31
relocatable, CD pos for caching/writing not required/required, no patch infos
--------------------------------------------------------------

11:48:02 #7 Text 0 File DlgWaitCD.cpp, Line 203
Last possible write address on media: 2295103 (510:03.28)
Last address to be written: 1070655 (237:57.30)

11:48:02 #8 Text 0 File DlgWaitCD.cpp, Line 208
Write in overburning mode: FALSE

11:48:02 #9 Text 0 File DlgWaitCD.cpp, Line 1452
Recorder: PIONEER DVD-RW DVR-110D;
CDRW code: 00 00 00 00; CD manufacturer unknown
ATIP Data:
Special Info [hex] 1: 00 00 00, 2: 00 00 00 (LI 0:00.00), 3: 00 00 00 (LO 0:00.00)
Additional Info [hex] 1: 00 00 00 (invalid), 2: 00 00 00 (invalid), 3: 00 00 00 (invalid)

11:48:02 #10 Text 0 File ThreadedTransferInterface.cpp, Line 822
Prepare recorder PIONEER DVD-RW DVR-110D for write in cue-sheet-DAO
DAO infos:
==========
MCN:
TOCTYPE: 0x0 Session Closed, CD fixated
Tracks 2 to 2:
TRM_DATA_MODE1, 2048/0x0, ISRC "", FilePos 0 307200 -2101956608

11:48:02 #11 Text 0 File ThreadedTransferInterface.cpp, Line 670
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 (CTransferItem)
2 indices, index0 (150) not provided
original CD pos #0 + 1070656 (1070656) = #1070656/237:55.31
relocatable, CD pos for caching/writing not required/required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 1070656 blocks [PIONEER DVD-RW DVR-110D]
--------------------------------------------------------------

11:48:02 #12 Phase 36 File dlgbrnst.cpp, Line 1653
Burn process started at 4x (5 520 Ko/s)

11:48:02 #13 Text 0 File ThreadedTransferInterface.cpp, Line 1963
Verifying CD position of item 0 (relocatable, CD pos, no patch infos, orig at #0): write at #0

11:48:02 #14 Text 0 File Cdrdrv.cpp, Line 7442
---- DVD Structure: Physical Format Information (00h) ----
Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050
Book Type: DVD+RW (9), Part Version: 2
Disc Size: 120 mm, Maximum Rate: <not specified> (F h)
Number of Layers: 1, Track Path: Parallel Track Path (PTP), Layer Type: re-writable
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
Data in Burst Cutting Area (BCA) does not exist

11:48:02 #15 Phase 98 File dlgbrnst.cpp, Line 1653
Start formatting media before burning

11:48:33 #16 Phase 100 File dlgbrnst.cpp, Line 1653
Formatting media was successful

11:48:33 #17 Phase 65 File dlgbrnst.cpp, Line 1653
Burn process started

11:48:35 #18 Text 0 File Writer.cpp, Line 314
11:48:35.968 - PIONEER DVD-RW DVR-110D : Queue again later (Intervall : 11msec)

11:48:36 #19 Text 0 File Writer.cpp, Line 314
11:48:36.250 - PIONEER DVD-RW DVR-110D : Queue again later (Intervall : 11msec)

11:55:11 #20 Text 0 File WriterStatus.cpp, Line 115
<PIONEER DVD-RW DVR-110D> start writing Lead-Out at LBA 1070656 (105640h), lenght 0 blocks

11:55:11 #21 Text 0 File ThreadedTransfer.cpp, Line 219
all writers idle, stopping conversion

11:55:13 #22 Text 0 File DVDPlusRW.cpp, Line 484
Media-Format will be stopped after burning

11:55:18 #23 Text 0 File DVDPlusRW.cpp, Line 564
Media-Format is stopped successfully

11:55:18 #24 Phase 37 File dlgbrnst.cpp, Line 1653
Burn process completed successfully at 4x (5 520 Ko/s)

11:55:18 #25 Text 0 File Scsicmd.cpp, Line 406
SCSI not using temporary buffers
20 out of 20 temporary buffers allocated


Existing drivers:
File 'Drivers\ASPI32.SYS': Ver=4.71 (0002), size=16877 bytes, created 17/07/2002 08:53:02
File 'Drivers\atapi.sys': Ver=5.1.2600.2180 (xpsp_sp2_rtm.040803-2158), size=95360 bytes, created 05/08/2004 14:00:00 (Adapter driver for rec)

Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)

====== *** Nero-Burning Rom, History File *** ======



A votre avis, à quoi est du ce problème ? j'ai un graveur pioneer DVR-110D. J'ai téléchargé le dernier firmware
Merci