Here is the log file, I have no clue why it failed. I used ConvertXToDVD to convert the .AVI files to a Video_TS folder, then Nero Express to burn it. Amadeus Kael Pyralis Pyralis INC 5C82-0010-8011-0000-5943-3455-**** Windows XP 5.1 IA32 WinAspi: - NT-SPTI used Nero Version: 7.8.5.0 Internal Version: 7, 8, 5, 0 (Nero Express) Recorder: <_NEC DVD+-RW ND-6450A> Version: 2.36 - HA 1 TA 0 - 7.8.5.0 Adapter driver: <IDE> HA 1 Drive buffer : 2048kB Bus Type : default (0) -> ATAPI, detected: ? CD-ROM: <_NEC DVD+-RW ND-6450A>Version: 2.36 - HA 1 TA 0 - 7.8.5.0 Adapter driver: <IDE> HA 1 === Scsi-Device-Map === DiskPeripheral : TOSHIBA MK6025GAS atapi Port 0 ID 0 DMA: On CdRomPeripheral : _NEC DVD+-RW ND-6450A atapi Port 1 ID 0 DMA: On === CDRom-Device-Map === _NEC DVD+-RW ND-6450A D: CDRom0 ======================= AutoRun : 1 Excluded drive IDs: WriteBufferSize: 70254592 (0) Byte BUFE : 0 Physical memory : 478MB (489904kB) Free physical memory: 200MB (205488kB) Memory in use : 58 % Uncached PFiles: 0x0 Use Inquiry : 1 Global Bus Type: default (0) Check supported media : Disabled (0) 20.7.2007 UDF/ISO compilation 6:18:53 PM #1 Text 0 File SCSIPTICommands.cpp, Line 411 LockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL 6:18:54 PM #2 Phase 112 File dlgbrnst.cpp, Line 1762 DVD-Video files reallocation started 6:18:54 PM #3 Phase 114 File dlgbrnst.cpp, Line 1762 DVD-Video files reallocation completed (no file modified) 6:18:54 PM #4 Text 0 File Isodoc.cpp, Line 6608 UDF document burn settings ------------------------------------------ Determine maximum speed : FALSE Simulate : FALSE Write : TRUE Finalize CD : TRUE Multisession : FALSE Burning mode : DAO Mode : 1 UDF Mode : UDF/ISO bridge UDF Options : automatic UDF Revision : 1.02 UDF Partition Type : physical 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 6:18:54 PM #5 Phase 111 File dlgbrnst.cpp, Line 1762 DVD-Video files sorted 6:18:54 PM #6 ISO9660GEN -11 File Geniso.cpp, Line 3343 First writeable address = 0 (0x00000000) 6:18:54 PM #7 ISO9660GEN -11 File Geniso.cpp, Line 3343 First writeable address = 0 (0x00000000) 6:18:54 PM #8 Text 0 File Burncd.cpp, Line 3499 Turn on Disc-At-Once, using DVD media 6:19:20 PM #9 Text 0 File DlgWaitCD.cpp, Line 307 Last possible write address on media: 2298495 (510:46.45, 4489MB) Last address to be written: 2115615 (470:08.15, 4132MB) 6:19:20 PM #10 Text 0 File DlgWaitCD.cpp, Line 319 Write in overburning mode: NO (enabled: CD) 6:19:20 PM #11 Text 0 File DlgWaitCD.cpp, Line 2949 Recorder: _NEC DVD+-RW ND-6450A, Media type: DVD-R Disc Manufacturer: MCC 03 - RG20 Disc Application Code: 64, Disc Physical Code: 193 6:19:20 PM #12 Text 0 File DlgWaitCD.cpp, Line 493 >>> Protocol of DlgWaitCD activities: <<< ========================================= Insert empty disc to write to. (Medium in drive: Unknown. Medium required by compilation: DVD R/RW.) 6:19:20 PM #13 Text 0 File ThreadedTransferInterface.cpp, Line 793 Setup items (after recorder preparation) 0: TRM_DATA_MODE1 () 2 indices, index0 (150) not provided original disc pos #0 + 2115616 (2115616) = #2115616/470:8.16 relocatable, disc pos for caching/writing not required/ required -> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 2115616 blocks [D: _NEC DVD+-RW ND-6450A] -------------------------------------------------------------- 6:19:20 PM #14 Text 0 File ThreadedTransferInterface.cpp, Line 995 Prepare [D: _NEC DVD+-RW ND-6450A] for write in CUE-sheet-DAO DAO infos: ========== MCN: "" TOCType: 0x00; Session Closed, disc fixated Tracks 1 to 1: Idx 0 Idx 1 Next Trk 1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 0 4332781568, ISRC "" DAO layout: =========== ___Start_|____Track_|_Idx_|_CtrlAdr_|_____Size_|______NWA_|_RecDep__________ 0 | lead-in | 0 | 0x41 | 0 | 0 | 0x00 0 | 1 | 0 | 0x41 | 0 | 0 | 0x00 0 | 1 | 1 | 0x41 | 2115616 | 0 | 0x00 2115616 | lead-out | 1 | 0x41 | 0 | 0 | 0x00 6:19:20 PM #15 Text 0 File SCSIPTICommands.cpp, Line 209 SPTILockVolume - completed successfully for FCTL_LOCK_VOLUME 6:19:20 PM #16 Text 0 File Burncd.cpp, Line 4278 Caching options: cache CDRom or Network-Yes, small files-No (<64KB) 6:19:20 PM #17 Phase 24 File dlgbrnst.cpp, Line 1762 Caching of files started 6:19:20 PM #18 Text 0 File Burncd.cpp, Line 4397 Cache writing successful. 6:19:20 PM #19 Phase 25 File dlgbrnst.cpp, Line 1762 Caching of files completed 6:19:20 PM #20 Phase 36 File dlgbrnst.cpp, Line 1762 Burn process started at 8x (11,080 KB/s) 6:19:20 PM #21 Text 0 File ThreadedTransferInterface.cpp, Line 2721 Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0 6:19:20 PM #22 Text 0 File DVDR.cpp, Line 3192 Recording mode: Sequential Recording Mode 6:19:20 PM #23 Text 0 File DVDR.cpp, Line 3348 Start write address at LBA 0 DVD high compatibility mode: Yes 6:19:20 PM #24 Text 0 File Cdrdrv.cpp, Line 9859 ---- Disc Structure: Physical Format Information (00h) ---- Media Type: 0, 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 Sector Number in Layer 0: 0 h (LBN: FFFD0000 h, 4193920 MB) Data in Burst Cutting Area (BCA) does not exist Revision number of maximum recording speed: 6.0 Revision number of minimum recording speed: - Revision number table of recording speed: 1.0 2.0 3.0 4.0 5.0 - - Class: 0 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 ................ 6:19:20 PM #25 Text 0 File ThreadedTransfer.cpp, Line 269 Pipe memory size 70192000 6:19:21 PM #26 Text 0 File Cdrdrv.cpp, Line 1338 18:19:21.562 - D: _NEC DVD+-RW ND-6450A : Queue again later 6:32:41 PM #27 SPTI -1093 File SCSIPassThrough.cpp, Line 179 CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1093) Sense Key: 0x03 (KEY_MEDIUM_ERROR) Sense Code: 0x02 Sense Qual: 0x00 CDB Data: 0x2A 00 00 1F 0E C0 00 00 20 00 00 00 Sense Area: 0x70 00 03 00 00 00 00 0A 00 00 00 00 02 Buffer x097b7740: Len x10000 0x00 00 01 BA 44 54 94 40 04 01 01 89 C3 F8 00 00 0x01 E0 07 EC 81 00 00 12 9F 60 72 B3 E3 5C 0D C7 0xB4 05 76 CC EC 45 D2 3F 6A C1 90 EE A3 20 30 FF 6:32:41 PM #28 CDR -1093 File Writer.cpp, Line 303 No seek complete D: _NEC DVD+-RW ND-6450A 6:32:42 PM #29 Text 0 File DVDR.cpp, Line 3750 EndDAO: Last written address was 2035391 (1F0EBFh) 6:32:46 PM #30 Phase 38 File dlgbrnst.cpp, Line 1762 Burn process failed at 8x (11,080 KB/s) 6:32:50 PM #31 Text 0 File SCSIPTICommands.cpp, Line 254 SPTIDismountVolume - completed successfully for FSCTL_DISMOUNT_VOLUME 6:32:55 PM #32 Text 0 File Cdrdrv.cpp, Line 11214 DriveLocker: UnLockVolume completed 6:32:55 PM #33 Text 0 File SCSIPTICommands.cpp, Line 411 UnLockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL Existing drivers: Registry Keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option) Why did it fail?