this is my log of my new problem.... Windows XP 5.1 IA32 WinAspi: File 'Wnaspi32.dll': Ver=4.60 (1021), size=45056 bytes, created 10/09/1999 11:06:00 ahead WinASPI: File 'C:\Program Files\Ahead\nero\Wnaspi32.dll': Ver=2.0.1.68, size=160016 bytes, created 22/07/2004 16:33:44 Nero version: 6.3.1.20 Recorder: <_NEC DVD_RW ND-2510A> Version: 2.16 - HA 1 TA 0 - 6.3.1.20 Adapter driver: <atapi> HA 1 Drive buffer : 2048kB Bus Type : default (0) -> ATAPI, detected: ATAPI CD-ROM: <_NEC DVD_RW ND-2510A >Version: 2.16 - HA 1 TA 0 - 6.3.1.20 Adapter driver: <atapi> HA 1 === Scsi-Device-Map === DiskPeripheral : WDC WD400BB-00DEA0 atapi Port 0 ID 0 DMA: On DiskPeripheral : Maxtor 6Y250P0 atapi Port 0 ID 1 DMA: On CdRomPeripheral : _NEC DVD_RW ND-2510A atapi Port 1 ID 0 DMA: On CdRomPeripheral : _NEC DVD_RW ND-2510A atapi Port 1 ID 1 DMA: On CdRomPeripheral : Generic DVD-ROM 1.0 d347prt Port 2 ID 0 DMA: Off CdRomPeripheral : Generic DVD-ROM 1.0 d347prt Port 2 ID 1 DMA: Off === CDRom-Device-Map === _NEC DVD_RW ND-2510A E: CDRom0 _NEC DVD_RW ND-2510A F: CDRom1 Generic DVD-ROM G: CDRom2 Generic DVD-ROM H: CDRom3 ======================= AutoRun : 1 Excluded drive IDs: WriteBufferSize: 83886080 (0) Byte ShowDrvBufStat : 0 BUFE : 0 Physical memory : 1023MB (1048048kB) Free physical memory: 597MB (611664kB) Memory in use : 41 % Uncached PFiles: 0x0 Use Static Write Speed Table: 0 Use Inquiry : 1 Global Bus Type: default (0) Check supported media : Disabled (0) 12.12.2004 UDF/ISO compilation 18:43:17 #1 Phase 112 File dlgbrnst.cpp, Line 1855 DVD-Video files reallocation started 18:43:17 #2 Phase 114 File dlgbrnst.cpp, Line 1855 DVD-Video files reallocation completed (no file modified) 18:43:17 #3 Text 0 File Isodoc.cpp, Line 6065 Iso document burn settings ------------------------------------------ Determine maximum speed : FALSE Simulate : FALSE Write : TRUE Finalize CD : TRUE Multisession : FALSE Burning mode : DAO Mode : 1 ISO Level : 1 (Max. of 11 = 8 + 3 char) Character set : ISO 9660 Joliet :FALSE Allow pathdepth more than 8 directories : FALSE Allow more than 255 characters in path : FALSE Write ISO9660 ;1 file extensions : TRUE 18:43:17 #4 Phase 111 File dlgbrnst.cpp, Line 1855 DVD-Video files sorted 18:43:17 #5 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in EEPROM, command version 2 18:43:17 #6 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in EEPROM, command version 2 18:43:17 #7 Text 0 File Reader.cpp, Line 126 Reader running 18:43:17 #8 Text 0 File Writer.cpp, Line 124 Writer _NEC DVD_RW ND-2510A running 18:43:17 #9 ISO9660GEN -11 File geniso.cpp, Line 3899 First writeable address = 0 (0x00000000) 18:43:17 #10 ISO9660GEN -11 File geniso.cpp, Line 3899 First writeable address = 0 (0x00000000) 18:43:17 #11 Text 0 File Burncd.cpp, Line 3173 Turn on Disc-at-once, using DVD media 18:43:17 #12 Text 0 File DlgWaitCD.cpp, Line 247 Last possible write address on media: 2298495 (510:46.45, 4489MB) Last address to be written: 2287327 (508:17.52, 4467MB) 18:43:17 #13 Text 0 File DlgWaitCD.cpp, Line 259 Write in overburning mode: NO (enabled: CD) 18:43:17 #14 Text 0 File DlgWaitCD.cpp, Line 2162 Recorder: _NEC DVD_RW ND-2510A, Media type: DVD-R Disc Manufacturer: TYG02 - Disc Application Code: 64, Disc Physical Code: 193 18:43:17 #15 Text 0 File DlgWaitCD.cpp, Line 420 >>> Protocol of DlgWaitCD activities: <<< ========================================= 18:43:17 #16 Text 0 File ThreadedTransferInterface.cpp, Line 813 Setup items (after recorder preparation) 0: TRM_DATA_MODE1 (CTransferItem) 2 indices, index0 (150) not provided original disc pos #0 + 2287328 (2287328) = #2287328/508:17.53 relocatable, disc pos for caching/writing not required/required, no patch infos -> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 2287328 blocks [_NEC DVD_RW ND-2510A ] -------------------------------------------------------------- 18:43:17 #17 Text 0 File ThreadedTransferInterface.cpp, Line 984 Prepare recorder [_NEC DVD_RW ND-2510A ] 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 4684447744, ISRC "" DAO layout: =========== __Start_|____Track_|_Idx_|_RecDep_|_CtrlAdr_ 0 | lead-in | 0 | 0x00 | 0x41 0 | 1 | 0 | 0x00 | 0x41 0 | 1 | 1 | 0x00 | 0x41 2287328 | lead-out | 1 | 0x00 | 0x41 18:43:18 #18 Phase 24 File dlgbrnst.cpp, Line 1855 Caching of files started 18:43:18 #19 Text 0 File Burncd.cpp, Line 4183 Cache writing successful. 18:43:18 #20 Phase 25 File dlgbrnst.cpp, Line 1855 Caching of files completed 18:43:18 #21 Phase 36 File dlgbrnst.cpp, Line 1855 Burn process started at 8x (11,080 KB/s) 18:43:18 #22 Text 0 File ThreadedTransferInterface.cpp, Line 2344 Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0 18:43:18 #23 Text 0 File dlgbrnst.cpp, Line 1713 Set remaining time: 7:07,856 (427856ms) -> OK 18:43:18 #24 Text 0 File DVDR.cpp, Line 1942 Recording mode: Sequential Recording Mode 18:43:18 #25 Text 0 File Mmc.cpp, Line 20531 Set BUFE: supported -> ON 18:43:18 #26 Text 0 File DVDR.cpp, Line 2083 Start write address at LBA 0 DVD high compatibility mode: Yes 18:43:18 #27 Text 0 File Cdrdrv.cpp, Line 8128 ---- DVD Structure: Physical Format Information (00h) ---- Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050 Book Type: DVD-R (2), Part Version: 5 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 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 ................ 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................ 18:43:18 #28 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in EEPROM, command version 2 18:43:18 #29 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in EEPROM, command version 2 18:43:18 #30 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in EEPROM, command version 2 18:43:18 #31 Text 0 File DVDR.cpp, Line 4661 Drive: _NEC DVD_RW ND-2510A Booktype request: DVD-ROM, write to RAM select Booktype setting from RAM 18:43:26 #32 Text 0 File Cdrdrv.cpp, Line 1294 18:43:26.829 - _NEC DVD_RW ND-2510A\H1 T0 : Queue again later 18:53:16 #33 Text 0 File WriterStatus.cpp, Line 115 <_NEC DVD_RW ND-2510A > start writing Lead-Out at LBA 2287328 (22E6E0h), lenght 0 blocks 18:53:16 #34 Text 0 File ThreadedTransfer.cpp, Line 229 all writers idle, stopping conversion 18:53:16 #35 Text 0 File DVDR.cpp, Line 2325 EndDAO: Last written address was 2287327 18:53:46 #36 SCSI -1093 File Cdrdrv.cpp, Line 1188 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: 0x02 Sense Qual: 0x00 CDB Data: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 Sense Data: 0x70 0x00 0x03 0x00 0x00 0x00 0x00 0x0A 0x00 0x00 0x00 0x00 0x02 0x00 18:53:46 #37 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in RAM, command version 2 18:53:46 #38 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in RAM, command version 2 18:53:46 #39 Text 0 File DVDR.cpp, Line 4661 Drive: _NEC DVD_RW ND-2510A Booktype request: DVD-ROM, write to RAM select Booktype setting from RAM 18:53:46 #40 Text 0 File dlgbrnst.cpp, Line 1713 Set remaining time: 0:00,000 (0ms) -> OK 18:53:46 #41 CDR -1093 File ThreadedTransferInterface.cpp, Line 1708 No seek complete 18:53:46 #42 TRANSFER -24 File ThreadedTransferInterface.cpp, Line 1708 Could not perform end of Disc-at-once 18:53:47 #43 Text 0 File DVDR.cpp, Line 2325 EndDAO: Last written address was -1 18:53:47 #44 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in RAM, command version 2 18:53:47 #45 Text 0 File DVDR.cpp, Line 5367 Booktype counter: 500, Booktype selected in RAM, command version 2 18:53:47 #46 Text 0 File DVDR.cpp, Line 4661 Drive: _NEC DVD_RW ND-2510A Booktype request: DVD-ROM, write to RAM select Booktype setting from RAM 18:53:47 #47 Text 0 File dlgbrnst.cpp, Line 1713 Set remaining time: 0:00,000 (0ms) -> OK 18:53:47 #48 Text 0 File dlgbrnst.cpp, Line 1713 Set remaining time: 0:00,000 (0ms) -> OK 18:53:47 #49 Phase 38 File dlgbrnst.cpp, Line 1855 Burn process failed at 8x (11,080 KB/s) Existing drivers: File 'Drivers\ASPI32.SYS': Ver=4.60 (1021), size=25244 bytes, created 10/09/1999 11:06:00 File 'Drivers\PXHELP20.SYS': Ver=2.02.62a, size=20016 bytes, created 28/10/2003 10:02:00 (Prassi/Veritas driver for win 2K) File 'Drivers\atapi.sys': Ver=5.1.2600.1106 (xpsp1.020828-1920), size=86912 bytes, created 29/08/2002 08:27:50 (Adapter driver for rec) Registry Keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option) can some help.