My 716AL seemed to be working fine, but all of a sudden, erasing and burning disks (both DVD+RWs and CD-RWs) have been giving me errors. I have the latest firmware from Plextor's site, so i dunno what gives.

I was able to save the error log on this last burn attempt i did... anyone figure it out?

Code:
5C80001080000000002666685258

Windows XP 5.1
IA32
WinAspi: -
ahead WinASPI: File 'F:\Nero 7\Core\Wnaspi32.dll': Ver=2.0.1.74, size=164112 bytes, created 11/2/2004 1:54:32 PM 

NT-SPTI used
Nero Version: 7.0.0.0
Recorder:             <PLEXTOR DVDR   PX-716AL> Version: 1.01 - HA 1 TA 0 - 7.0.0.0
 Adapter driver:      <IDE>                     HA 1
 Drive buffer  :      8192kB
 Bus Type      :      default (0) -> ATAPI, detected: ?
CD-ROM:               <PLEXTOR  DVDR   PX-716AL >Version: 1.01 - HA 1 TA 0 - 7.0.0.0
 Adapter driver:      <IDE>                     HA 1

=== Scsi-Device-Map ===
DiskPeripheral       : NVIDIA  STRIPE   138.49G        nvraid Port 0 ID 1  DMA: Off
CdRomPeripheral      : PLEXTOR DVDR   PX-716AL       nvatabus Port 1 ID 0  DMA: Off
CdRomPeripheral      : PLEXTOR CD-R   PX-W1610A      nvatabus Port 1 ID 1  DMA: Off
DiskPeripheral       : IC35L020AVER07-0              nvatabus Port 1 ID 2  DMA: Off
DiskPeripheral       : WDC WD740GD-50FLC0            nvatabus Port 2 ID 0  DMA: Off
DiskPeripheral       : Maxtor 6B200S0                nvatabus Port 3 ID 0  DMA: Off
DiskPeripheral       : WDC WD740GD-50FLC0            nvatabus Port 3 ID 2  DMA: Off

=== CDRom-Device-Map ===
PLEXTOR DVDR   PX-716AL    D:   CDRom0
PLEXTOR CD-R   PX-W1610A   E:   CDRom1
=======================

AutoRun : 1
Excluded drive IDs: 
WriteBufferSize: 83886080 (0) Byte
ShowDrvBufStat : 0
BUFE           : 0
Physical memory     : 2047MB (2096608kB)
Free physical memory: 1022MB (1047276kB)
Memory in use       : 50 %
Uncached PFiles: 0x0
Use Inquiry    : 1
Global Bus Type: default (0)
Check supported media : Disabled (0) 

14.1.2006
CD Image
10:37:52 PM	#1 Text 0 File Burncd.cpp, Line 3007
	PLEXTOR DVDR   PX-716AL
	BURN-Proof activated
	
10:37:52 PM	#2 Text 0 File ThreadedTransfer.cpp, Line 525
	ReadBuffer-Pipe got 81920KB of Memory
	
10:37:52 PM	#3 Text 0 File Reader.cpp, Line 124
	Reader running
	
10:37:52 PM	#4 Text 0 File Writer.cpp, Line 113
	Writer D: PLEXTOR DVDR   PX-716AL running
	
10:37:52 PM	#5 Text 0 File Burncd.cpp, Line 3301
	Turn on Track-At-Once, using CD-R/RW media
	
10:37:52 PM	#6 Text 0 File DlgWaitCD.cpp, Line 277
	Last possible write address on media:   359848 ( 79:59.73)
	Last address to be written:             347873 ( 77:20.23)
	
10:37:52 PM	#7 Text 0 File DlgWaitCD.cpp, Line 289
	Write in overburning mode: NO (enabled: CD)
	
10:37:52 PM	#8 Text 0 File DlgWaitCD.cpp, Line 2568
	Recorder: PLEXTOR DVDR   PX-716AL
	
10:37:52 PM	#9 Text 0 File DlgWaitCD.cpp, Line 456
	>>> Protocol of DlgWaitCD activities: <<<
	=========================================
	
10:37:52 PM	#10 Text 0 File ThreadedTransferInterface.cpp, Line 846
	Setup items (after recorder preparation)
	 0: TRM_DATA_MODE1 (2 - CD-ROM Mode 1, Joliet)
	    2 indices, index0 (150) not provided
	    original disc pos #0 + 347874 (347874) = #347874/77:18.24
	    relocatable, disc pos for caching/writing not required/not required,  patch infos
	    -> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 347872 blocks [D: PLEXTOR DVDR   PX-716AL]
	--------------------------------------------------------------
	
10:37:52 PM	#11 Text 0 File ThreadedTransferInterface.cpp, Line 1058
	Prepare recorder [D: PLEXTOR DVDR   PX-716AL] for write in TAO
	DAO infos:
	==========
	 MCN: ""
	 TOCType: 0x00; Session Closed, disc not fixated
	 Tracks 1 to 1:
	   1: TRM_DATA_MODE1, 2048/0x00, FilePos             0        307200     712753152, ISRC ""
	DAO layout:
	===========
	 __Start_|____Track_|_Idx_|_CtrlAdr_|_RecDep__________
	    -150 |  lead-in |   0 |    0x41 | 0x00
	    -150 |        1 |   0 |    0x41 | 0x00
	       0 |        1 |   1 |    0x41 | 0x00
	  347874 | lead-out |   1 |    0x41 | 0x00
	
10:37:52 PM	#12 Text 0 File ThreadedTransferInterface.cpp, Line 1126
	Removed 2 run-out blocks from end of track 1. Length: 347874 -> 347872.
	
10:37:52 PM	#13 Text 0 File SCSIPassThrough.cpp, Line 34
	SPTILockVolume - completed successfully for FCTL_LOCK_VOLUME
	
10:37:52 PM	#14 Phase 24 File dlgbrnst.cpp, Line 1724
	Caching of files started
	
10:37:52 PM	#15 Text 0 File Burncd.cpp, Line 4129
	Cache writing successful.
	
10:37:52 PM	#16 Phase 25 File dlgbrnst.cpp, Line 1724
	Caching of files completed
	
10:37:52 PM	#17 Phase 36 File dlgbrnst.cpp, Line 1724
	Burn process started at 4x (600 KB/s)
	
10:37:52 PM	#18 SPTI -1189 File SCSIPassThrough.cpp, Line 306
	CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1189)
	Sense Key:  0x05 (KEY_ILLEGAL_REQUEST)
	Sense Code: 0x30
	Sense Qual: 0x02
	CDB Data:   0xAD 00 00 00 00 00 00 FF 40 00 00 00 
	Sense Area: 0x70 00 05 00 00 00 00 0A 00 00 00 00 30 02 
	Buffer x037ada00: Len x4000
	
10:37:52 PM	#19 Text 0 File ThreadedTransferInterface.cpp, Line 2669
	Verifying disc position of item 0 (relocatable, no disc pos, patch infos, orig at #0): write at #0
	
10:37:52 PM	#20 Text 0 File MMC.cpp, Line 21541
	Set BUFE: BURN-Proof -> ON 
	
10:37:55 PM	#21 Text 0 File Cdrdrv.cpp, Line 1195
	22:37:55.578 - D: PLEXTOR DVDR   PX-716AL : Queue again later
	
10:56:56 PM	#22 SPTI -1135 File SCSIPassThrough.cpp, Line 306
	CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1135)
	Sense Key:  0x03 (KEY_MEDIUM_ERROR)
	Sense Code: 0x0C
	Sense Qual: 0x07
	CDB Data:   0x2A 00 00 05 39 20 00 00 20 00 00 00 
	Sense Area: 0xF0 00 03 00 05 39 B6 0A 00 00 00 00 0C 07 
	Buffer x044f0000: Len x10000
	0x15 CE F5 35 95 12 6F 4E B1 32 CE E5 71 46 5A 58 
	0x96 D4 C6 16 65 46 D6 BA 93 95 EF 05 3E E5 16 4B 
	0x2B 09 AA 22 CF 59 96 62 8E A5 38 1B 72 73 09 BA 
	
10:56:56 PM	#23 CDR -1135 File Writer.cpp, Line 302
	Write error
	D: PLEXTOR DVDR   PX-716AL
	
10:56:56 PM	#24 Text 0 File ThreadedTransfer.cpp, Line 228
	all writers idle, stopping conversion
	
10:57:03 PM	#25 CDR -201 File WriterStatus.cpp, Line 200
	Invalid write state
	D: PLEXTOR DVDR   PX-716AL
	
10:57:03 PM	#26 TRANSFER -18 File WriterStatus.cpp, Line 200
	Could not perform EndTrack
	
10:57:03 PM	#27 Text 0 File MMC.cpp, Line 16273
	<PLEXTOR DVDR   PX-716AL > start Close Session
	
10:58:42 PM	#28 SPTI -1176 File SCSIPassThrough.cpp, Line 306
	CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1176)
	Sense Key:  0x03 (KEY_MEDIUM_ERROR)
	Sense Code: 0x72
	Sense Qual: 0x02
	CDB Data:   0x00 00 00 00 00 00 00 00 00 00 00 00 
	Sense Area: 0xF0 00 03 00 05 3B 93 0A 00 00 00 00 72 02 
	
10:58:42 PM	#29 CDR -1176 File WriterStatus.cpp, Line 249
	Session fixation error
	D: PLEXTOR DVDR   PX-716AL
	
10:58:42 PM	#30 TRANSFER -19 File WriterStatus.cpp, Line 249
	Could not perform Fixation
	
10:58:42 PM	#31 Text 0 File WriterStatus.cpp, Line 258
	falling back to disc fixation
	
10:58:42 PM	#32 Text 0 File MMC.cpp, Line 16273
	<PLEXTOR DVDR   PX-716AL > start Close Session
	
10:58:42 PM	#33 SPTI -1026 File SCSIPassThrough.cpp, Line 306
	CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1026)
	Sense Key:  0x05 (KEY_ILLEGAL_REQUEST)
	Sense Code: 0x2C
	Sense Qual: 0x04
	CDB Data:   0x5B 01 02 00 00 00 00 00 00 00 00 00 
	Sense Area: 0x70 00 05 00 00 00 00 0A 00 00 00 00 2C 04 
	
10:58:42 PM	#34 CDR -1026 File WriterStatus.cpp, Line 249
	Current program area empty
	D: PLEXTOR DVDR   PX-716AL
	
10:58:42 PM	#35 TRANSFER -19 File WriterStatus.cpp, Line 249
	Could not perform Fixation
	
10:58:42 PM	#36 Phase 38 File dlgbrnst.cpp, Line 1724
	Burn process failed at 4x (600 KB/s)
	

Existing drivers:
File 'Drivers\PXHELP20.SYS': Ver=2.03.28a, size=20640 bytes, created 12/5/2005 12:12:26 AM (Prassi/Veritas driver for win 2K)

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