Nero 7 burning problem

:a just tried to burn a dvd on nero, got an error message then this. any one know whats gone wrong?

[18:53:09] NeroVision Log created (Date: 12/10/2006)
[18:53:32] NeroVision Processors: 1 (Intel)
[18:53:32] NeroVision OS: Windows XP
[18:53:33] GCCore Detected DirectX Version 9 or higher
[18:53:35] AMCDocBase Could not load the user-defined asset groups.
[18:53:41] GCCore Detected DirectX Version: 9.0c
[18:53:42] ExpressUI Running Nero Vision Version: 4.7.0.16
[18:54:29] DVDEngine C:\PROGRAM FILES\NERO\NERO 7\NERO VISION\DVDENGINE.DLL
[18:54:29] DVDEngine Product Version: 4.7.0.9, File Version: 4.7.0.14, Interface Version: 4.9.0.1
[18:54:29] DVDEngine C:\PROGRAM FILES\NERO\NERO 7\NERO VISION\DVDENGINE.DLL
[18:54:29] DVDEngine Product Version: 4.7.0.9, File Version: 4.7.0.14, Interface Version: 4.9.0.1
[18:54:29] DVDEngine C:\PROGRAM FILES\NERO\NERO 7\NERO VISION\DVDENGINE.DLL
[18:54:29] DVDEngine Product Version: 4.7.0.9, File Version: 4.7.0.14, Interface Version: 4.9.0.1
[18:54:29] DVDEngine BEGIN: IDVDEngineManagerImpl - CreateDVDVideoSession
[18:54:29] DVDEngine END: IDVDEngineManagerImpl - CreateDVDVideoSession
[18:54:29] DVDEngine BEGIN: IDVDSessionBaseImpl - RegisterApplicationService
[18:54:29] DVDEngine …Application service registered…
[18:54:29] DVDEngine END: IDVDSessionBaseImpl - RegisterApplicationService
[18:54:29] DVDEngine BEGIN: IDVDSessionBaseImpl - RegisterApplicationService
[18:54:29] DVDEngine …Application service registered…
[18:54:29] DVDEngine END: IDVDSessionBaseImpl - RegisterApplicationService
[18:54:33] ExpressUI NeroDigital: IEnumProfiles::get_count() returned 15
[18:55:10] MMTools SourceBuilder: building c:\Documents and Settings\simon\My Documents\Talladega.Nights[2006][Unrated.Edition]DvDrip[Eng]-aXXo\Talladega.Nights[2006][Unrated.Edition]DvDrip[Eng]-aXXo.avi audio/0
[18:55:11] MMTools SourceBuilder: — used source filters —
[18:55:11] MMTools {E436EBB5-524F-11CE-9F53-0020AF0BA770} - File Source (Async.)
[18:55:11] MMTools {1B544C20-FD0B-11CE-8C63-00AA0044B51E} - AVI Splitter
[18:55:11] MMTools {38BE3000-DBF4-11D0-860E-00A024CFEF6D} - MPEG Layer-3 Decoder
[18:55:11] MMTools SourceBuilder: file type AVI - audio
[18:55:11] MMTools --------------------
[18:55:11] MMTools SourceBuilder: building c:\Documents and Settings\simon\My Documents\Talladega.Nights[2006][Unrated.Edition]DvDrip[Eng]-aXXo\Talladega.Nights[2006][Unrated.Edition]DvDrip[Eng]-aXXo.avi video/0
[18:55:11] MMTools SourceBuilder: — used source filters —
[18:55:11] MMTools {E436EBB5-524F-11CE-9F53-0020AF0BA770} - File Source (Async.)
[18:55:11] MMTools {1B544C20-FD0B-11CE-8C63-00AA0044B51E} - AVI Splitter
[18:55:11] MMTools {C0BA9CF8-96E0-4C34-B5DE-E92C3FC05ED6} - Nero Video Decoder
[18:55:11] MMTools SourceBuilder: file type AVI - video
[18:55:11] MMTools --------------------
[18:55:11] AMCUIBase Asset created by user: class AVFileAsset
[18:55:11] AMCUIBase - file paths: 1, first = ‘c:\Documents and Settings\simon\My Documents\Talladega.Nights[2006][Unrated.Edition]DvDrip[Eng]-aXXo\Talladega.Nights[2006][Unrated.Edition]DvDrip[Eng]-aXXo.avi’)
[18:55:12] DVDEngine BEGIN: IDVDSessionBaseImpl - RegisterCallback
[18:55:12] DVDEngine END: IDVDSessionBaseImpl - RegisterCallback
[18:55:12] DVDEngine BEGIN: IDVDVideoSessionImpl - ~IDVDVideoSessionImpl
[18:55:12] DVDEngine END: IDVDVideoSessionImpl - ~IDVDVideoSessionImpl
[18:55:14] DVDEngine C:\PROGRAM FILES\NERO\NERO 7\NERO VISION\DVDENGINE.DLL
[18:55:14] DVDEngine Product Version: 4.7.0.9, File Version: 4.7.0.14, Interface Version: 4.9.0.1
[18:55:14] DVDEngine C:\PROGRAM FILES\NERO\NERO 7\NERO VISION\DVDENGINE.DLL
[18:55:14] DVDEngine Product Version: 4.7.0.9, File Version: 4.7.0.14, Interface Version: 4.9.0.1
[18:55:14] DVDEngine BEGIN: IDVDEngineManagerImpl - CreateDVDVideoSession
[18:55:14] DVDEngine END: IDVDEngineManagerImpl - CreateDVDVideoSession
[18:55:14] DVDEngine BEGIN: IDVDSessionBaseImpl - RegisterApplicationService
[18:55:14] DVDEngine …Application service registered…
[18:55:14] DVDEngine END: IDVDSessionBaseImpl - RegisterApplicationService
[18:55:14] DVDEngine BEGIN: IDVDSessionBaseImpl - RegisterApplicationService
[18:55:14] DVDEngine …Application service registered…
[18:55:14] DVDEngine END: IDVDSessionBaseImpl - RegisterApplicationService
[18:55:14] NeroVision Estimate Size
[18:55:14] NeroVision ±------±-----±-------±---------±--------
[18:55:14] NeroVision |Stream | Seg. | UnComp.| Duration | Size (KB)
[18:55:14] NeroVision ±------±-----±-------±---------±--------
[18:55:14] NeroVision | 0 | 0 | 1 | 0.03 | 224
[18:55:14] NeroVision | 1 | 0 | 0 | 0.03 | 0
[18:55:14] NeroVision ±------±-----±-------±---------±--------
[18:55:14] NeroVision total data size : 458753 bytes
[18:55:14] NeroVision multiplexed size : 475136 bytes
[18:55:14] NeroVision Estimate Size

and this is the end of it

[21:29:04] NeroVision Book type: (N/A)
[21:29:04] NeroVision 1C83-7619-10E5-477X-4042-577K-****
[21:29:04] NeroVision Windows XP 5.1
[21:29:04] NeroVision IA32
[21:29:04] NeroVision WinAspi: -
[21:29:04] NeroVision ahead WinASPI: File ‘C:\Program Files\Nero\Nero 7\Core\Wnaspi32.dll’: Ver=2.0.1.74, size=164112 bytes, created 11/2/2004 12:54:32 PM
[21:29:04] NeroVision NT-SPTI used
[21:29:04] NeroVision Nero API version: 7.5.9.0
[21:29:04] NeroVision Using interface version: 7.0.5.6
[21:29:04] NeroVision Installed in: C:\Program Files\Nero\Nero 7\Core
[21:29:04] NeroVision Application: ahead\NeroVision
[21:29:04] NeroVision Internal Version: 7, 5, 9, 0
[21:29:04] NeroVision Recorder: <PHILIPS PBDV1640P> Version: B3.7 - HA 1 TA 0 - 7.5.9.0
[21:29:04] NeroVision Adapter driver: <IDE> HA 1
[21:29:04] NeroVision Drive buffer : 2048kB
[21:29:04] NeroVision Bus Type : default (0) -> ATAPI, detected: ?
[21:29:04] NeroVision === Scsi-Device-Map ===
[21:29:04] NeroVision DiskPeripheral : MAXTOR STM3802110A atapi Port 0 ID 1 DMA: On
[21:29:04] NeroVision CdRomPeripheral : PHILIPS PBDV1640P atapi Port 1 ID 0 DMA: On
[21:29:04] NeroVision DiskPeripheral : WDC WD800BB-00JHA0 atapi Port 1 ID 1 DMA: On
[21:29:04] NeroVision === CDRom-Device-Map ===
[21:29:04] NeroVision PHILIPS PBDV1640P E: CDRom0
[21:29:04] NeroVision =======================
[21:29:04] NeroVision AutoRun : 1
[21:29:04] NeroVision Excluded drive IDs:
[21:29:04] NeroVision WriteBufferSize: 74448896 (0) Byte
[21:29:04] NeroVision BUFE : 0
[21:29:04] NeroVision Physical memory : 510MB (523056kB)
[21:29:04] NeroVision Free physical memory: 339MB (348028kB)
[21:29:04] NeroVision Memory in use : 33 %
[21:29:04] NeroVision Uncached PFiles: 0x0
[21:29:04] NeroVision Use Inquiry : 1
[21:29:04] NeroVision Global Bus Type: default (0)
[21:29:04] NeroVision Check supported media : Disabled (0)
[21:29:04] NeroVision 10.12.2006
[21:29:04] NeroVision NeroAPI
[21:29:04] NeroVision 9:19:38 PM #1 Phase 111 File APIProgress.cpp, Line 282
[21:29:04] NeroVision DVD-Video files sorted
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:38 PM #2 Text 0 File SCSIPTICommands.cpp, Line 411
[21:29:04] NeroVision LockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:39 PM #3 ISO9660GEN -11 File Geniso.cpp, Line 3332
[21:29:04] NeroVision First writeable address = 0 (0x00000000)
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #4 ISO9660GEN -11 File Geniso.cpp, Line 3332
[21:29:04] NeroVision First writeable address = 0 (0x00000000)
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #5 Text 0 File Burncd.cpp, Line 3451
[21:29:04] NeroVision Turn on Disc-At-Once, using DVD media
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #6 Text 0 File DlgWaitCD.cpp, Line 306
[21:29:04] NeroVision Last possible write address on media: 2295103 (510:01.28, 4482MB)
[21:29:04] NeroVision Last address to be written: 2274223 (505:22.73, 4441MB)
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #7 Text 0 File DlgWaitCD.cpp, Line 318
[21:29:04] NeroVision Write in overburning mode: NO
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #8 Text 0 File DlgWaitCD.cpp, Line 2903
[21:29:04] NeroVision Recorder: PHILIPS PBDV1640P, Media type: DVD+R
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #9 Text 0 File DlgWaitCD.cpp, Line 490
[21:29:04] NeroVision >>> Protocol of DlgWaitCD activities: <<<
[21:29:04] NeroVision =========================================
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #10 Text 0 File ThreadedTransferInterface.cpp, Line 821
[21:29:04] NeroVision Setup items (after recorder preparation)
[21:29:04] NeroVision 0: TRM_DATA_MODE1 ()
[21:29:04] NeroVision 2 indices, index0 (150) not provided
[21:29:04] NeroVision original disc pos #0 + 2274224 (2274224) = #2274224/505:22.74
[21:29:04] NeroVision relocatable, disc pos for caching/writing not required/ required
[21:29:04] NeroVision -> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 2274224 blocks [E: PHILIPS PBDV1640P]
[21:29:04] NeroVision --------------------------------------------------------------
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #11 Text 0 File ThreadedTransferInterface.cpp, Line 1024
[21:29:04] NeroVision Prepare [E: PHILIPS PBDV1640P] for write in CUE-sheet-DAO
[21:29:04] NeroVision DAO infos:
[21:29:04] NeroVision ==========
[21:29:04] NeroVision MCN: “”
[21:29:04] NeroVision TOCType: 0x00; Session Closed, disc fixated
[21:29:04] NeroVision Tracks 1 to 1: Idx 0 Idx 1 Next Trk
[21:29:04] NeroVision 1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 0 4657610752, ISRC “”
[21:29:04] NeroVision DAO layout:
[21:29:04] NeroVision ===========
[21:29:04] NeroVision __Start|___Track|Idx|CtrlAdr|Size|NWA|RecDep
[21:29:04] NeroVision 0 | lead-in | 0 | 0x41 | 0 | 0 | 0x00
[21:29:04] NeroVision 0 | 1 | 0 | 0x41 | 2274224 | 0 | 0x00
[21:29:04] NeroVision 0 | 1 | 1 | 0x41 | 2274224 | 0 | 0x00
[21:29:04] NeroVision 2274224 | lead-out | 1 | 0x41 | 0 | 0 | 0x00
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #12 Text 0 File SCSIPTICommands.cpp, Line 209
[21:29:04] NeroVision SPTILockVolume - completed successfully for FCTL_LOCK_VOLUME
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #13 Phase 24 File APIProgress.cpp, Line 282
[21:29:04] NeroVision Caching of files started
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #14 Text 0 File Burncd.cpp, Line 4278
[21:29:04] NeroVision Cache writing successful.
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:40 PM #15 Phase 25 File APIProgress.cpp, Line 282
[21:29:04] NeroVision Caching of files completed
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:41 PM #16 Phase 36 File APIProgress.cpp, Line 282
[21:29:04] NeroVision Burn process started at 8x (11,080 KB/s)
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:41 PM #17 Text 0 File ThreadedTransferInterface.cpp, Line 2743
[21:29:04] NeroVision Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:41 PM #18 SPTI -1066 File SCSIPassThrough.cpp, Line 179
[21:29:04] NeroVision CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1066)
[21:29:04] NeroVision Sense Key: 0x05 (KEY_ILLEGAL_REQUEST)
[21:29:04] NeroVision Sense Code: 0x24
[21:29:04] NeroVision Sense Qual: 0x00
[21:29:04] NeroVision CDB Data: 0xAD 00 00 00 00 00 00 00 08 04 00 00
[21:29:04] NeroVision Sense Area: 0x70 00 05 00 00 00 00 12 00 00 00 00 24
[21:29:04] NeroVision Buffer x0f22f040: Len x804
[21:29:04] NeroVision
[21:29:04] NeroVision 9:19:41 PM #19 Text 0 File DVDPlusRW.cpp, Line 674
[21:29:04] NeroVision Start write address at LBA 0
[21:29:04] NeroVision DVD high compatibility mode: Yes
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:12 PM #20 SPTI -1135 File SCSIPassThrough.cpp, Line 179
[21:29:04] NeroVision CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1135)
[21:29:04] NeroVision Sense Key: 0x03 (KEY_MEDIUM_ERROR)
[21:29:04] NeroVision Sense Code: 0x0C
[21:29:04] NeroVision Sense Qual: 0x00
[21:29:04] NeroVision CDB Data: 0x2A 00 00 03 E3 60 00 00 20 00 00 00
[21:29:04] NeroVision Sense Area: 0x71 00 03 00 00 00 00 12 00 00 00 00 0C
[21:29:04] NeroVision Buffer x4493c800: Len x10000
[21:29:04] NeroVision 0x00 00 01 BA 44 46 8F B0 B4 2D 01 89 C3 F8 00 00
[21:29:04] NeroVision 0x01 BD 07 EC 80 80 05 21 11 A5 45 A3 80 03 01 24
[21:29:04] NeroVision 0x1E 15 2D F1 26 CA 09 DD C5 8E 19 06 18 41 59 84
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:12 PM #21 CDR -1135 File Writer.cpp, Line 299
[21:29:04] NeroVision Write error
[21:29:04] NeroVision E: PHILIPS PBDV1640P
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:13 PM #22 Phase 127 File APIProgress.cpp, Line 282
[21:29:04] NeroVision Generating DVD high compatibility borders
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:25 PM #23 Phase 129 File APIProgress.cpp, Line 282
[21:29:04] NeroVision Generating DVD borders completed successfully
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:25 PM #24 Phase 38 File APIProgress.cpp, Line 282
[21:29:04] NeroVision Burn process failed at 8x (11,080 KB/s)
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:25 PM #25 Text 0 File SCSIPTICommands.cpp, Line 254
[21:29:04] NeroVision SPTIDismountVolume - completed successfully for FSCTL_DISMOUNT_VOLUME
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:30 PM #26 Text 0 File Cdrdrv.cpp, Line 10467
[21:29:04] NeroVision DriveLocker: UnLockVolume completed
[21:29:04] NeroVision
[21:29:04] NeroVision 9:27:30 PM #27 Text 0 File SCSIPTICommands.cpp, Line 411
[21:29:04] NeroVision UnLockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL
[21:29:04] NeroVision
[21:29:04] NeroVision Existing drivers:
[21:29:04] NeroVision Registry Keys:
[21:29:04] NeroVision HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)