i was using convertx to convert and burn files. 3 burned successful in 1 day then next one failed making coasters the next twice.tried same file with nero on simulation mode and it failed again.i have included nero log and would be gratefull for any assistance anyone could give me Windows XP 5.1 IA32 WinAspi: - ahead WinASPI: File 'C:\Program Files\Ahead\nero\Wnaspi32.dll': Ver=2.0.1.74, size=164112 bytes, created 26/10/2004 17:35:34 Nero Version: 6.6.0.18 Internal Version: 6, 6, 0, 18e (Nero Express) Recorder: <PIONEER DVD-RW DVR-111D>Version: 1.29 - HA 1 TA 0 - 6.6.0.18 Adapter driver: <atapi> HA 1 Drive buffer : 2000kB 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: <PIONEER DVD-RW DVR-111D>Version: 1.29 - HA 1 TA 0 - 6.6.0.18 Adapter driver: <atapi> HA 1 === Scsi-Device-Map === DiskPeripheral : WDC WD800BB-22DKA0 atapi Port 0 ID 0 DMA: On DiskPeripheral : MAXTOR STM3160212A atapi Port 0 ID 1 DMA: On CdRomPeripheral : PIONEER DVD-RW DVR-111D atapi Port 1 ID 0 DMA: On CdRomPeripheral : DVDRW IDE1008 atapi Port 1 ID 1 DMA: Off === CDRom-Device-Map === PIONEER DVD-RW DVR-111D E: CDRom0 DVDRW IDE1008 F: CDRom1 ======================= AutoRun : 1 Excluded drive IDs: WriteBufferSize: 83886080 (0) Byte ShowDrvBufStat : 0 BUFE : 0 Physical memory : 1791MB (1834480kB) Free physical memory: 1195MB (1224136kB) Memory in use : 33 % Uncached PFiles: 0x0 Use Inquiry : 1 Global Bus Type: default (0) Check supported media : Disabled (0) 7.2.2009 UDF/ISO compilation 22:58:58 #1 Phase 112 File dlgbrnst.cpp, Line 1832 DVD-Video files reallocation started 22:58:58 #2 Phase 114 File dlgbrnst.cpp, Line 1832 DVD-Video files reallocation completed (no file modified) 22:58:58 #3 Text 0 File Isodoc.cpp, Line 6359 UDF document burn settings ------------------------------------------ Determine maximum speed : FALSE Simulate : TRUE Write : TRUE Finalize CD : TRUE Multisession : FALSE Burning mode : DAO Mode : 1 UDF Mode : UDF/ISO bridge UDF Revision : 1.02 UDF Partition Type : physical ISO Level : 2 (Max. of 31 chars) 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 22:58:58 #4 Phase 111 File dlgbrnst.cpp, Line 1832 DVD-Video files sorted 22:58:58 #5 Text 0 File Reader.cpp, Line 127 Reader running 22:58:58 #6 Text 0 File Writer.cpp, Line 122 Writer PIONEER DVD-RW DVR-111D running 22:58:58 #7 ISO9660GEN -11 File geniso.cpp, Line 3309 First writeable address = 0 (0x00000000) 22:58:58 #8 ISO9660GEN -11 File geniso.cpp, Line 3309 First writeable address = 0 (0x00000000) 22:58:58 #9 Text 0 File Burncd.cpp, Line 3233 Turn on Disc-At-Once, using DVD media 22:58:58 #10 Text 0 File DlgWaitCD.cpp, Line 270 Last possible write address on media: 2298495 (510:46.45, 4489MB) Last address to be written: 1843999 (409:46.49, 3601MB) 22:58:58 #11 Text 0 File DlgWaitCD.cpp, Line 282 Write in overburning mode: NO (enabled: CD) 22:58:58 #12 Text 0 File DlgWaitCD.cpp, Line 2483 Recorder: PIONEER DVD-RW DVR-111D, Media type: DVD-R Disc Manufacturer: TYG02 - Disc Application Code: 64, Disc Physical Code: 193 22:58:58 #13 Text 0 File DlgWaitCD.cpp, Line 448 >>> Protocol of DlgWaitCD activities: <<< ========================================= 22:58:58 #14 Text 0 File ThreadedTransferInterface.cpp, Line 838 Setup items (after recorder preparation) 0: TRM_DATA_MODE1 () 2 indices, index0 (150) not provided original disc pos #0 + 1844000 (1844000) = #1844000/409:46.50 relocatable, disc pos for caching/writing not required/ required, no patch infos -> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 1844000 blocks [PIONEER DVD-RW DVR-111D] -------------------------------------------------------------- 22:58:58 #15 Text 0 File ThreadedTransferInterface.cpp, Line 1051 Prepare recorder [PIONEER DVD-RW DVR-111D] 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 3776512000, ISRC "" DAO layout: =========== __Start_|____Track_|_Idx_|_CtrlAdr_|_RecDep__________ 0 | lead-in | 0 | 0x41 | 0x00 0 | 1 | 0 | 0x41 | 0x00 0 | 1 | 1 | 0x41 | 0x00 1844000 | lead-out | 1 | 0x41 | 0x00 22:58:58 #16 Phase 24 File dlgbrnst.cpp, Line 1832 Caching of files started 22:58:58 #17 Text 0 File Burncd.cpp, Line 4122 Cache writing successful. 22:58:58 #18 Phase 25 File dlgbrnst.cpp, Line 1832 Caching of files completed 22:58:58 #19 Phase 32 File dlgbrnst.cpp, Line 1832 Simulation started at 6x (8,310 KB/s) 22:59:10 #20 Text 0 File ThreadedTransferInterface.cpp, Line 2661 Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0 22:59:10 #21 Text 0 File DVDR.cpp, Line 2571 Recording mode: Sequential Recording Mode 22:59:10 #22 Text 0 File Mmc.cpp, Line 21774 Set BUFE: Buffer underrun protection -> ON 22:59:10 #23 Text 0 File DVDR.cpp, Line 2726 Start write address at LBA 0 DVD high compatibility mode: Yes 22:59:10 #24 Text 0 File Cdrdrv.cpp, Line 8892 ---- 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: 0.0 (0) 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: 0 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: 0 h Start sector number of the next Border-In: 0 h Media Specific [16..63]: 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................ 22:59:11 #25 Text 0 File Cdrdrv.cpp, Line 1288 22:59:11.468 - PIONEER DVD-RW DVR-111D\H1 T0 : Queue again later 22:59:25 #26 Text 0 File Cdrdrv.cpp, Line 1288 22:59:25.593 - PIONEER DVD-RW DVR-111D\H1 T0 : Queue again later 22:59:27 #27 SCSI -1024 File Cdrdrv.cpp, Line 1436 SCSI Exec, HA 1, TA 0, LUN 0, buffer 0x0C110000 Status: 0x04 (0x01, SCSI_ERR) HA-Status 0x00 (0x00, OK) TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND) Sense Key: 0x04 (KEY_HARDWARE_ERROR) Sense Code: 0x08 Sense Qual: 0x03 CDB Data: 0x2A 0x00 0x00 0x00 0x27 0x20 0x00 0x00 0x20 0x00 0x00 0x00 Sense Data: 0x70 0x00 0x04 0x00 0x00 0x00 0x00 0x0E 0x00 0x00 0x00 0x00 0x08 0x03 22:59:27 #28 CDR -1024 File Writer.cpp, Line 311 Communication failure 22:59:28 #29 Text 0 File ThreadedTransfer.cpp, Line 228 all writers idle, stopping conversion 22:59:28 #30 Text 0 File ThreadedTransfer.cpp, Line 222 conversion idle, stopping reader 22:59:28 #31 Text 0 File DVDR.cpp, Line 2969 EndDAO: Last written address was 10015 22:59:38 #32 Phase 34 File dlgbrnst.cpp, Line 1832 Simulation failed at 6x (8,310 KB/s) Existing drivers: File 'Drivers\atapi.sys': Ver=5.1.2600.5512 (xpsp.080413-2108), size=96512 bytes, created 13/04/2008 18:40:30 (Adapter driver for rec) Registry Keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)