Nero errreur disc at once

bonjour a tous
j ai un probleme avec nero 7 ultra edition quand je grave une image 1 fois sur cinq il me fai un erreur disc at once (je ne sais pas ce que ca veut dire) il grave seulement quelque megs juste pour scraper le dvd j ai sauver le log que je mais avec mon message merci DiskPeripheral : ST380013AS atapi Port 1 ID 0 DMA: On
CdRomPeripheral : HL-DT-ST DVDRAM GSA-4167B atapi Port 3 ID 0 DMA: On

=== CDRom-Device-Map ===
HL-DT-ST DVDRAM GSA-4167B E: CDRom0
=======================

AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 74448896 (0) Byte
ShowDrvBufStat : 0
BUFE : 0
Physical memory : 510MB (522988kB)
Free physical memory: 232MB (238388kB)
Memory in use : 54 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)

18.3.2006
Graver une image DVD
16:23:42 #1 Text 0 File ThreadedTransfer.cpp, Line 525
ReadBuffer-Pipe got 72704KB of Memory

16:23:42 #2 Text 0 File Reader.cpp, Line 124
Reader running

16:23:42 #3 Text 0 File Writer.cpp, Line 113
Writer E: HL-DT-ST DVDRAM GSA-4167B running

16:23:42 #4 Text 0 File Burncd.cpp, Line 3342
Turn on Disc-At-Once, using DVD media

16:23:42 #5 Text 0 File DlgWaitCD.cpp, Line 279
Last possible write address on media: 2298495 (510:46.45, 4489MB)
Last address to be written: 1860309 (413:24.09, 3633MB)

16:23:42 #6 Text 0 File DlgWaitCD.cpp, Line 291
Write in overburning mode: NO (enabled: CD)

16:23:42 #7 Text 0 File DlgWaitCD.cpp, Line 2578
Recorder: HL-DT-ST DVDRAM GSA-4167B, Media type: DVD-R
Disc Manufacturer: PRINCO -
Disc Application Code: 64, Disc Physical Code: 193

16:23:42 #8 Text 0 File DlgWaitCD.cpp, Line 458
>>> Protocol of DlgWaitCD activities: <<<
=========================================

16:23:42 #9 Text 0 File ThreadedTransferInterface.cpp, Line 847
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 (2 - Mode CD-ROM 1, ISO 9660)
2 indices, index0 (150) not provided
original disc pos #0 + 1860310 (1860310) = #1860310/413:24.10
not relocatable, disc pos for caching/writing not required/not required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 1860310 blocks [E: HL-DT-ST DVDRAM GSA-4167B]
--------------------------------------------------------------

16:23:42 #10 Text 0 File ThreadedTransferInterface.cpp, Line 1059
Prepare recorder [E: HL-DT-ST DVDRAM GSA-4167B] 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 3809914880, ISRC ""
DAO layout:
===========
__Start_|____Track_|_Idx_|_CtrlAdr_|_RecDep__________
0 | lead-in | 0 | 0x41 | 0x00
0 | 1 | 0 | 0x41 | 0x00
0 | 1 | 1 | 0x41 | 0x00
1860310 | lead-out | 1 | 0x41 | 0x00

16:23:42 #11 Text 0 File SCSIPassThrough.cpp, Line 36
SPTILockVolume - completed successfully for FCTL_LOCK_VOLUME

16:23:42 #12 Phase 36 File dlgbrnst.cpp, Line 1725
Burn process started at 2x (2 770 Ko/s)

16:23:43 #13 Text 0 File ThreadedTransferInterface.cpp, Line 2685
Verifying disc position of item 0 (not relocatable, no disc pos, no patch infos, orig at #0): write at #0

16:23:43 #14 Text 0 File DVDR.cpp, Line 2580
Recording mode: Sequential Recording Mode

16:23:43 #15 Text 0 File MMC.cpp, Line 21611
Set BUFE: Buffer underrun protection -> ON

16:23:43 #16 Text 0 File DVDR.cpp, Line 2735
Start write address at LBA 0
DVD high compatibility mode: Yes

16:23:43 #17 Text 0 File Cdrdrv.cpp, Line 8411
---- DVD Structure: Physical Format Information (00h) ----
Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050
Book Type: DVD-R (2), Part Version: 2.0x (5), Extended Part Version: 0.0 (0)
Disc Size: 120 mm, Maximum Rate: <not specified> (F h)
Number of Layers: 1, Track Path: Parallel Track Path (PTP), Layer Type: recordable
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: 26127F h
End Sector Number in Layer 0: 0 h (LBN: FFFD0000 h, 4193920 MB)
Data in Burst Cutting Area (BCA) does not exist
Start sector number of the current Border-Out: 2FE10 h
Start sector number of the next Border-In: 2FFA0 h
Media Specific [16..63]:
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................
00 02 FE 10 00 02 FF A0 - 00 00 00 00 00 00 00 00 ..þ...ÿ.........
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................

16:23:52 #18 CDR -1 File Writer.cpp, Line 302
Unspecified Recorder Error
E: HL-DT-ST DVDRAM GSA-4167B

16:23:52 #19 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

16:23:52 #20 Text 0 File ThreadedTransfer.cpp, Line 222
conversion idle, stopping reader

16:23:52 #21 Text 0 File DVDR.cpp, Line 2978
EndDAO: Last written address was -1

16:23:52 #22 CDR -1 File WriterStatus.cpp, Line 167
Unspecified Recorder Error
E: HL-DT-ST DVDRAM GSA-4167B

16:23:52 #23 TRANSFER -24 File WriterStatus.cpp, Line 167
Could not perform end of Disc-at-once

16:23:52 #24 Phase 38 File dlgbrnst.cpp, Line 1725
Burn process failed at 2x (2 770 Ko/s)


Existing drivers:

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