Disk error?

hi i was buring a disk and it stoped and game me an error here it is

Windows XP 5.1
IA32
WinAspi: File ‘Wnaspi32.dll’: Ver=4.71 (0002), size=45056 bytes, created 7/17/2002 8:20:56 AM
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

NT-SPTI used
Nero Version: 7.0.1.2
Internal Version: 7, 0, 1, 2

Recorder: <HP DVD Writer 740b> Version: HJ24 - HA 1 TA 0 - 7.0.1.2
Adapter driver: <IDE> HA 1
Drive buffer : 2048kB
Bus Type : default (0) -> ATAPI, detected: ?
CD-ROM: <ASUS CD-S480/A5 >Version: 0.99 - HA 1 TA 1 - 7.0.1.2
Adapter driver: <IDE> HA 1

=== Scsi-Device-Map ===
DiskPeripheral : Maxtor 6L200M0 atapi Port 0 ID 0 DMA: On
CdRomPeripheral : HP DVD Writer 740b atapi Port 2 ID 0 DMA: On
CdRomPeripheral : ASUS CD-S480/A5 atapi Port 2 ID 1 DMA: On
CdRomPeripheral : Generic DVD-ROM 1.0 d347prt Port 4 ID 0 DMA: Off

=== CDRom-Device-Map ===
HP DVD Writer 740b E: CDRom0
ASUS CD-S480/A5 F: CDRom1
Generic DVD-ROM K: CDRom2

AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 83886080 (0) Byte
ShowDrvBufStat : 0
BUFE : 0
Physical memory : 958MB (981480kB)
Free physical memory: 253MB (259416kB)
Memory in use : 73 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)

28.11.2006
ISO compilation
3:07:43 PM #1 Text 0 File Isodoc.cpp, Line 6411
Iso document burn settings
------------------------------------------
Determine maximum speed : TRUE
Simulate : FALSE
Write : TRUE
Finalize CD : FALSE
Multisession : TRUE
Multisession type: : Start multisession
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

3:07:43 PM #2 Text 0 File ThreadedTransfer.cpp, Line 525
ReadBuffer-Pipe got 262144KB of Memory

3:07:43 PM #3 Text 0 File Reader.cpp, Line 124
Reader running

3:07:43 PM #4 Text 0 File Writer.cpp, Line 113
Writer E: HP DVD Writer 740b running

3:07:43 PM #5 ISO9660GEN -11 File Geniso.cpp, Line 3312
First writeable address = 0 (0x00000000)

3:07:51 PM #6 Text 0 File Burncd.cpp, Line 3302
Turn on Disc-At-Once, using DVD media

3:07:51 PM #7 Text 0 File DlgWaitCD.cpp, Line 279
Last possible write address on media: 2298495 (510:46.45, 4489MB)
Last address to be written: 2278623 (506:21.48, 4450MB)

3:07:51 PM #8 Text 0 File DlgWaitCD.cpp, Line 291
Write in overburning mode: NO (enabled: CD)

3:07:51 PM #9 Text 0 File DlgWaitCD.cpp, Line 2578
Recorder: HP DVD Writer 740b, Media type: DVD-R
Disc Manufacturer: TYG03 -
Disc Application Code: 64, Disc Physical Code: 193

3:07:51 PM #10 Text 0 File DlgWaitCD.cpp, Line 458
>>> Protocol of DlgWaitCD activities: <<<
=========================================

3:07:51 PM #11 Text 0 File ThreadedTransferInterface.cpp, Line 847
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 ()
2 indices, index0 (150) not provided
original disc pos #0 + 2278624 (2278624) = #2278624/506:21.49
relocatable, disc pos for caching/writing not required/ required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 2278624 blocks [E: HP DVD Writer 740b]
--------------------------------------------------------------

3:07:51 PM #12 Text 0 File ThreadedTransferInterface.cpp, Line 1059
Prepare recorder [E: HP DVD Writer 740b] for write in CUE-sheet-DAO
DAO infos:
==========
MCN: “”
TOCType: 0x00; Session Closed, disc not fixated
Tracks 1 to 1:
1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 0 4666621952, ISRC “”
DAO layout:
===========
Start|Track|Idx|CtrlAdr|RecDep_____
0 | lead-in | 0 | 0x41 | 0x00
0 | 1 | 0 | 0x41 | 0x00
0 | 1 | 1 | 0x41 | 0x00
2278624 | lead-out | 1 | 0x41 | 0x00

3:07:51 PM #13 Text 0 File SCSIPassThrough.cpp, Line 36
SPTILockVolume - completed successfully for FCTL_LOCK_VOLUME

3:07:51 PM #14 Phase 24 File dlgbrnst.cpp, Line 1725
Caching of files started

3:07:51 PM #15 Text 0 File Burncd.cpp, Line 4132
Cache writing successful.

3:07:51 PM #16 Phase 25 File dlgbrnst.cpp, Line 1725
Caching of files completed

3:07:51 PM #17 Phase 28 File dlgbrnst.cpp, Line 1725
Speed measurement started

3:07:51 PM #18 Text 0 File ThreadedTransferInterface.cpp, Line 2685
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0

3:10:50 PM #19 Text 0 File WriterStatus.cpp, Line 116
<E: HP DVD Writer 740b> start writing Lead-Out at LBA 2278624 (22C4E0h), length 0 blocks

3:10:50 PM #20 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

3:10:50 PM #21 Phase 29 File dlgbrnst.cpp, Line 1674
Speed measurement completed: 20.4x (28,288 KB/s)

3:10:50 PM #22 Phase 36 File dlgbrnst.cpp, Line 1725
Burn process started at 16x (22,160 KB/s)

3:10:50 PM #23 Text 0 File ThreadedTransferInterface.cpp, Line 2685
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0

3:10:50 PM #24 Text 0 File DVDR.cpp, Line 2580
Recording mode: Sequential Recording Mode for Multisession

3:10:50 PM #25 Text 0 File MMC.cpp, Line 21611
Set BUFE: Buffer underrun protection -> ON

3:10:50 PM #26 Text 0 File DVDR.cpp, Line 2735
Start write address at LBA 0
DVD high compatibility mode: Yes

3:10:50 PM #27 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: 2.1 (33)
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 60 00 10 20 30 40 50 - 00 00 00 21 00 00 00 00 .`…0@P…!..
00 02 FE 10 00 02 FF A0 - 00 00 00 00 00 00 00 00 …
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 …

3:14:14 PM #28 SPTI -1093 File SCSIPassThrough.cpp, Line 323
E: CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1093)
Sense Key: 0x03 (KEY_MEDIUM_ERROR)
Sense Code: 0x02
Sense Qual: 0x00
CDB Data: 0x2A 00 00 0F EE C0 00 00 20 00 00 00
Sense Area: 0x70 00 03 00 00 00 00 0E 00 00 00 00 02
Buffer x04d10000: Len x10000
0xF7 D9 71 8E 2A 69 78 5C 39 5A A3 A0 0F 9A CB 89
0x31 E4 74 84 B5 B0 6D 3F CB 12 EE 97 DB 50 3B 6E
0x3C 4C 7B 04 88 31 7B 7A F7 37 55 44 E4 C3 9E 6A

3:14:14 PM #29 CDR -1093 File Writer.cpp, Line 302
No seek complete
E: HP DVD Writer 740b

3:14:14 PM #30 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

3:14:14 PM #31 Text 0 File ThreadedTransfer.cpp, Line 222
conversion idle, stopping reader

3:14:14 PM #32 Text 0 File DVDR.cpp, Line 2978
EndDAO: Last written address was 1044159

3:14:14 PM #33 Phase 133 File dlgbrnst.cpp, Line 1725
Writing short lead-out

3:14:16 PM #34 SPTI -1176 File SCSIPassThrough.cpp, Line 323
E: CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1176)
Sense Key: 0x05 (KEY_ILLEGAL_REQUEST)
Sense Code: 0x72
Sense Qual: 0x04
CDB Data: 0x5B 01 02 00 00 03 00 00 00 00 00 00
Sense Area: 0x70 00 05 00 00 00 00 0E 00 00 00 00 72 04

3:14:16 PM #35 CDR -1176 File WriterStatus.cpp, Line 167
Session fixation error
E: HP DVD Writer 740b

3:14:16 PM #36 TRANSFER -24 File WriterStatus.cpp, Line 167
Could not perform end of Disc-at-once

3:14:16 PM #37 Phase 38 File dlgbrnst.cpp, Line 1725
Burn process failed at 16x (22,160 KB/s)

Existing drivers:
File ‘Drivers\ASPI32.SYS’: Ver=4.71 (0002), size=16877 bytes, created 7/17/2002 7:53:02 AM
File ‘Drivers\PXHELP20.SYS’: Ver=3.00.11B, size=46080 bytes, created 11/3/2005 3:00:00 AM (Prassi/Veritas driver for win 2K)

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

could some one help me and tell me what happened and how to fix it

thanks.