Nero 6.6.1.4 Problem with Burn DVD.

I got Error Message:

Windows XP 5.1
IA32
WinAspi: File 'Wnaspi32.dll': Ver=2.0.0.0, size=17920 bytes, created 1/31/2005 3:05:30 PM
ahead WinASPI: File 'C:\Program Files\Ahead\nero\Wnaspi32.dll': Ver=2.0.1.74, size=164112 bytes, created 11/2/2004 12:54:32 PM

NT-SPTI used
Nero Version: 6.6.1.4
Internal Version: 6, 6, 1, 4d

Recorder: <HL-DT-ST DVDRAM GMA-4020B>Version: A109 - HA 1 TA 0 - 6.6.1.4
Adapter driver: <IDE> HA 1
Drive buffer : 1312kB
Bus Type : default (0) -> ATAPI, detected: ?
CD-ROM: <SI (KOR) DVD-ROM CRD-510B>Version: 1.00 - HA 1 TA 2 - 6.6.1.4
Adapter driver: <SCSI> HA 1

=== Scsi-Device-Map ===
DiskPeripheral : WDC WD800BB-53CAA1 atapi Port 0 ID 0 DMA: On
DiskPeripheral : IOMEGA ZIP 250 atapi Port 1 ID 0 DMA: Off
CdRomPeripheral : HL-DT-ST DVDRAM GMA-4020B atapi Port 1 ID 1 DMA: On
CdRomPeripheral : Generic DVD-ROM 1.0 d347prt Port 2 ID 0 DMA: Off
CdRomPeripheral : SI (KOR)DVD-ROM CRD-510B1.00 cdspacex Port 3 ID 0 DMA: Off

=== CDRom-Device-Map ===
HL-DT-ST DVDRAM GMA-4020B E: CDRom0
SI (KOR) DVD-ROM CRD-510B F: CDRom2
Generic DVD-ROM G: CDRom1
=======================

AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 83886080 (0) Byte
ShowDrvBufStat : 0
BUFE : 0
Physical memory : 2047MB (2096368kB)
Free physical memory: 1589MB (1627604kB)
Memory in use : 22 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)

26.5.2006
ISO compilation
5:15:36 PM #1 Text 0 File Isodoc.cpp, Line 6475
Iso document burn settings
------------------------------------------
Determine maximum speed : FALSE
Simulate : FALSE
Write : TRUE
Finalize CD : FALSE
Multisession : TRUE
Multisession type: : Start multisession
Burning mode : DAO
Mode : 1
ISO Level : 1 (Max. of 11 = 8 + 3 char)
Character set : Multibyte
Joliet : TRUE
Allow pathdepth more than 8 directories : TRUE
Allow more than 255 characters in path : TRUE
Write ISO9660 ;1 file extensions : TRUE

5:15:36 PM #2 ISODOC -6 File Isodoc.cpp, Line 6558
Error while creating ISO or Joliet file names!


Existing drivers:
File 'Drivers\PXHELP20.SYS': Ver=2.03.28a, size=20640 bytes, created 3/11/2005 6:28:13 PM (Prassi/Veritas driver for win 2K)
File 'Drivers\scsiport.sys': Ver=5.1.2600.2180 (xpsp_sp2_rtm.040803-2158), size=96256 bytes, created 8/3/2004 11:59:42 PM (Adapter driver for src)

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


Anyone know how to fix it ?
This happened when I finished burn 1 DVD.
I don't know why this happened to me.