Hello everyone! I have been burning for quite some time now and all of a sudden I have been getting the following error message when burning. Windows XP 5.1 IA32 WinAspi: -4C87-2018-2045-477K-055X-403E-9539-**** (*) ahead WinASPI: File 'C:\Program Files\Nero\Nero 7\Core\Wnaspi32.dll': Ver=2.0.1.74, size=169792 bytes, created 3/14/2007 12:43:16 PM NT-SPTI used Nero API version: 7.10.1.1 Using interface version: 6.3.1.4 Installed in: C:\Program Files\Nero\Nero 7\Core\ Application: ahead\Nero - Burning Rom Internal Version: 7, 10, 1, 1 Recorder: <TSSTcorp CD/DVDW TS-H552B>Version: GA02 - HA 1 TA 1 - 7.10.1.1 Adapter driver: <IDE> HA 1 Drive buffer : 2048kB Bus Type : default (0) -> ATAPI, detected: ? === Scsi-Device-Map === DiskPeripheral : WDC WD1600BB-00GUA0 atapi Port 0 ID 0 DMA: On CdRomPeripheral : LITE-ON COMBO SOHC-4832K atapi Port 1 ID 0 DMA: On CdRomPeripheral : TSSTcorp CD/DVDW TS-H552B atapi Port 1 ID 1 DMA: On === CDRom-Device-Map === LITE-ON COMBO SOHC-4832K E: CdRom0 TSSTcorp CD/DVDW TS-H552B F: CdRom1 ======================= AutoRun : 1 Excluded drive IDs: WriteBufferSize: 40894464 (0) Byte BUFE : 0 Physical memory : 255MB (261616kB) Free physical memory: 148MB (151992kB) Memory in use : 41 % Uncached PFiles: 0x0 Use Inquiry : 1 Global Bus Type: default (0) Check supported media : Disabled (0) 30.4.2009 NeroAPI 12:59:10 PM #1 Phase 112 File APIProgress.cpp, Line 285 DVD-Video files reallocation started 12:59:10 PM #2 DVDREALLOC -21 File DVDVideoCompilation.cpp, Line 1317 Required file 'VTS_03_0.VOB' is not present 12:59:10 PM #3 Phase 115 File APIProgress.cpp, Line 285 DVD-Video files reallocation failed 12:59:10 PM #4 Text 0 File NeroAPIBurnFS.cpp, Line 218 Failed to realloc DVD video files Existing drivers: File 'Drivers\ADPU160M.SYS': Ver=v3.60a (Lab01_N(johnstra).010529-2218), size=101888 bytes, created 8/17/2001 11:07:32 PM File 'Drivers\PXHELP20.SYS': Ver=2.03.02a, size=19840 bytes, created 8/10/2004 12:39:56 PM (Prassi/Veritas driver for win 2K) Registry Keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option) Here is the message from my second computer running the same programs. 4C87-2018-2045-477K-055X-403E-9539-**** (*) Windows XP 6.0 IA32 WinAspi: - NT-SPTI used Nero API version: 7.10.1.1 Using interface version: 6.3.1.4 Installed in: C:\Program Files\Nero\Nero 7\Core\ Application: ahead\Nero - Burning Rom Internal Version: 7, 10, 1, 1 Recorder: <HL-DT-ST DVDRAM GSA-T20N>Version: WP03 - HA 1 TA 0 - 7.10.1.1 Adapter driver: <IDE> HA 1 Drive buffer : 2048kB Bus Type : default (0) -> ATAPI, detected: ? === Scsi-Device-Map === === CDRom-Device-Map === HL-DT-ST DVDRAM GSA-T20N E: CdRom0 ======================= AutoRun : 1 Excluded drive IDs: WriteBufferSize: 83886080 (0) Byte BUFE : 0 Physical memory : 957MB (980544kB) Free physical memory: 447MB (458444kB) Memory in use : 53 % Uncached PFiles: 0x0 Use Inquiry : 1 Global Bus Type: default (0) Check supported media : Disabled (0) 30.4.2009 NeroAPI 12:57:05 PM #1 Phase 112 File APIProgress.cpp, Line 285 DVD-Video files reallocation started 12:57:05 PM #2 DVDREALLOC -21 File DVDVideoCompilation.cpp, Line 1317 Required file 'VTS_01_0.VOB' is not present 12:57:05 PM #3 Phase 115 File APIProgress.cpp, Line 285 DVD-Video files reallocation failed 12:57:05 PM #4 Text 0 File NeroAPIBurnFS.cpp, Line 218 Failed to realloc DVD video files Existing drivers: File 'Drivers\ADPU160M.SYS': Ver=6.4.645.100 (NT.051018-1332), size=98408 bytes, created 11/2/2006 4:50:35 AM Registry Keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon Can anybody help me with this please? .