Nero 6 stopped burning cdr?

Ive been using Nero for a while now with no real probs. but recently it has (apparently randomly) stopped burning cd-r.I am using the same media i always have but with no result.Heres a copy of the log,i would really appreciate any advice you can throw my way.Cheers.
Log:

Windows XP 5.1
IA32
WinAspi: File ‘Wnaspi32.dll’: Ver=0, 2, 1, 3, size=66560 bytes, created 24/08/1999 21:55:32
ahead WinASPI: File ‘C:\Program Files\Ahead
ero\Wnaspi32.dll’: Ver=2.0.1.74, size=164112 bytes, created 26/10/2004 18:35:34
Nero Version: 6.6.0.14
Internal Version: 6, 6, 0, 14d

Recorder: <PHILIPS PBDV1660P1> Version: B1.6 - HA 1 TA 0 - 6.6.0.14
Adapter driver: <atapi> HA 1
Drive buffer : 2048kB
Bus Type : via Inquiry data (1) -> ATAPI, detected: ATAPI
Connected to MMC as unknown drive with class-nr : 1
Drive is autodetected - recorder class: Std. MMC recorder
CD-ROM: <PHILIPS PBDV1660P1 >Version: B1.6 - HA 1 TA 0 - 6.6.0.14
Adapter driver: <atapi> HA 1

=== Scsi-Device-Map ===
DiskPeripheral : Maxtor 6E040L0 atapi Port 0 ID 0 DMA: On
CdRomPeripheral : PHILIPS PBDV1660P1 atapi Port 1 ID 0 DMA: On
CdRomPeripheral : GS9138O AUE043Q 1.0 a25fk3il Port 3 ID 1 DMA: Off
CdRomPeripheral : FQ8640B UKX263G 2.0B vaxscsi Port 4 ID 0 DMA: Off

=== CDRom-Device-Map ===
PHILIPS PBDV1660P1 D: CDRom0
GS9138O AUE043Q F: CDRom1
FQ8640B UKX263G E: CDRom2

AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 74448896 (0) Byte
ShowDrvBufStat : 0
BUFE : 0
Physical memory : 510MB (522240kB)
Free physical memory: 157MB (161432kB)
Memory in use : 69 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)

30.12.2006
Audio CD
16:30:56 #1 CDADOC -1 File Cdadoc.cpp, Line 1465
Audio item log info:
Audio document burn settings:
=============================
Burn mode: TAO,
CD Text: Off,
Cache disk or network files: No,
Cache small files: No,
Cache files smaller than 65536 bytes.
Audio Multisession: No
List of audio tracks:
=====================
Track 01: Length: 02:38.14, Pause frames: 150, Filters: 0, Name: ‘01 - Vertigo.mp3’.
Track 02: Length: 03:24.20, Pause frames: 150, Filters: 0, Name: ‘02 - Death On The Stairs.mp3’.
Track 03: Length: 02:34.54, Pause frames: 150, Filters: 0, Name: ‘03 - Horrorshow.mp3’.
Total size: 08:43.13

16:30:56 #2 Text 0 File Burncd.cpp, Line 2945
PHILIPS PBDV1660P1
Buffer underrun protection activated

16:30:56 #3 Text 0 File Reader.cpp, Line 127
Reader running

16:30:56 #4 Text 0 File Writer.cpp, Line 122
Writer PHILIPS PBDV1660P1 running

16:30:56 #5 Text 0 File AudioCompilationImpl.cpp, Line 842
DRM: StartDrmRecording(RealRec:1, ImageRec:0, Copies:1)
DRM: Beginning burn process.

16:30:56 #6 Text 0 File Burncd.cpp, Line 3230
Turn on Track-At-Once, using CD-R/RW media

16:30:57 #7 Text 0 File DlgWaitCD.cpp, Line 267
Last possible write address on media: 359848 ( 79:59.73)
Last address to be written: 340598 ( 75:43.23)

16:30:57 #8 Text 0 File DlgWaitCD.cpp, Line 279
Write in overburning mode: NO (enabled: CD)

16:30:57 #9 Text 0 File DlgWaitCD.cpp, Line 2433
Recorder: PHILIPS PBDV1660P1;
CDR code: 00 97 22 67; OSJ entry from: Daxon Technology, Inc.
ATIP Data:
Special Info [hex] 1: D0 00 A0, 2: 61 16 43 (LI 97:22.67), 3: 4F 3B 4A (LO 79:59.74)
Additional Info [hex] 1: 00 00 00 (invalid), 2: 00 00 00 (invalid), 3: 00 00 00 (invalid)

16:30:57 #10 Text 0 File DlgWaitCD.cpp, Line 445
>>> Protocol of DlgWaitCD activities: <<<
=========================================

16:30:57 #11 Text 0 File ThreadedTransferInterface.cpp, Line 830
Setup items (after recorder preparation)
0: TRM_AUDIO_NOPRE (01 - Vertigo.mp3)
2 indices, index0 (150) not provided
original disc pos #0 + 11864 (11864) = #11864/2:38.14
relocatable, disc pos for caching/writing not required/not required, no patch infos
-> TRM_AUDIO_NOPRE, 2352, config 0, wanted index0 0 blocks, length 11862 blocks [PHILIPS PBDV1660P1]
1: TRM_AUDIO_NOPRE (02 - Death On The Stairs.mp3)
2 indices, index0 (150) not provided
original disc pos #0 + 15320 (15320) = #15320/3:24.20
relocatable, disc pos for caching/writing not required/not required, no patch infos
-> TRM_AUDIO_NOPRE, 2352, config 0, wanted index0 0 blocks, length 15318 blocks [PHILIPS PBDV1660P1]
2: TRM_AUDIO_NOPRE (03 - Horrorshow.mp3)
2 indices, index0 (150) not provided
original disc pos #0 + 11604 (11604) = #11604/2:34.54
relocatable, disc pos for caching/writing not required/not required, no patch infos
-> TRM_AUDIO_NOPRE, 2352, config 0, wanted index0 0 blocks, length 11602 blocks [PHILIPS PBDV1660P1]
--------------------------------------------------------------

16:31:16 #12 Text 0 File ThreadedTransferInterface.cpp, Line 1043
Prepare recorder [PHILIPS PBDV1660P1] for write in TAO
DAO infos:
==========
MCN: “”
TOCType: 0x00; Session Closed, disc fixated
Tracks 3 to 5:
1: TRM_AUDIO_NOPRE, 2352/0x00, FilePos 0 352800 28256928, ISRC “”
2: TRM_AUDIO_NOPRE, 2352/0x00, FilePos 28256928 28609728 64642368, ISRC “”
3: TRM_AUDIO_NOPRE, 2352/0x00, FilePos 64642368 64995168 92287776, ISRC “”
DAO layout:
===========
Start|Track|Idx|CtrlAdr|RecDep_____
301361 | lead-in | 0 | 0x01 | 0x00
301361 | 3 | 0 | 0x21 | 0x00
301511 | 3 | 1 | 0x21 | 0x00
313375 | 4 | 0 | 0x21 | 0x00
313525 | 4 | 1 | 0x21 | 0x00
328845 | 5 | 0 | 0x21 | 0x00
328995 | 5 | 1 | 0x21 | 0x00
340599 | lead-out | 1 | 0x01 | 0x00

16:31:16 #13 Text 0 File ThreadedTransferInterface.cpp, Line 1111
Removed 2 run-out blocks from end of track 3. Length: 11864 -> 11862.

16:31:16 #14 Text 0 File ThreadedTransferInterface.cpp, Line 1111
Removed 2 run-out blocks from end of track 4. Length: 15320 -> 15318.

16:31:16 #15 Text 0 File ThreadedTransferInterface.cpp, Line 1111
Removed 2 run-out blocks from end of track 5. Length: 11604 -> 11602.

16:31:16 #16 Phase 36 File dlgbrnst.cpp, Line 1832
Burn process started at 48x (7,200 KB/s)

16:31:16 #17 Text 0 File ThreadedTransferInterface.cpp, Line 2643
Verifying disc position of item 0 (relocatable, no disc pos, no patch infos, orig at #0): write at #301511

16:31:16 #18 Text 0 File Mmc.cpp, Line 21592
Set BUFE: Buffer underrun protection -> ON

16:31:28 #19 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

16:31:34 #20 Text 0 File ThreadedTransferInterface.cpp, Line 2643
Verifying disc position of item 1 (relocatable, no disc pos, no patch infos, orig at #0): write at #313525

16:31:34 #21 Text 0 File Mmc.cpp, Line 21592
Set BUFE: Buffer underrun protection -> ON

16:31:45 #22 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

16:31:51 #23 Text 0 File ThreadedTransferInterface.cpp, Line 2643
Verifying disc position of item 2 (relocatable, no disc pos, no patch infos, orig at #0): write at #328995

16:31:51 #24 Text 0 File Mmc.cpp, Line 21592
Set BUFE: Buffer underrun protection -> ON

16:32:01 #25 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

16:32:03 #26 Text 0 File Mmc.cpp, Line 16240
<PHILIPS PBDV1660P1 > start Close Session

16:32:03 #27 SCSI -1122 File Cdrdrv.cpp, Line 1182
SCSI Exec, HA 1, TA 0, LUN 0
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: 0x57
Sense Qual: 0x00
CDB Data: 0x5B 0x01 0x02 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Sense Data: 0x70 0x00 0x03 0x00 0x00 0x00 0x00 0x12
0x00 0x00 0x00 0x00 0x57 0x00

16:32:03 #28 CDR -1122 File ThreadedTransferInterface.cpp, Line 1286
Unable to recover TOC

16:32:03 #29 TRANSFER -19 File ThreadedTransferInterface.cpp, Line 1286
Could not perform Fixation

16:32:03 #30 Phase 38 File dlgbrnst.cpp, Line 1832
Burn process failed at 48x (7,200 KB/s)

16:32:03 #31 Text 0 File AudioCompilationImpl.cpp, Line 867
DRM: DRM burn session terminated.

16:32:03 #32 Text 0 File AudioCompilationImpl.cpp, Line 896
DRM: Closing entire DRM handling. Bye.

Existing drivers:
File ‘Drivers\ASPI32.SYS’: Ver=4.60 (1021), size=25244 bytes, created 01/07/2006 16:34:41
File ‘Drivers\PXHELP20.SYS’: Ver=2.03.32a, size=20640 bytes, created 25/04/2005 09:03:00 (Prassi/Veritas driver for win 2K)
File ‘Drivers\atapi.sys’: Ver=5.1.2600.2180 (xpsp_sp2_rtm.040803-2158), size=95360 bytes, created 03/08/2004 22:59:44 (Adapter driver for rec)

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