Okay, here the log enclosed:
//****************************************\\
; ImgBurn Version 2.5.0.0 - Log
; Freitag, 02 April 2010, 19:56:52
; \\****************************************//
;
;
I 19:19:17 ImgBurn Version 2.5.0.0 started!
I 19:19:17 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 3)
I 19:19:17 Total Physical Memory: 2.095.504 KB - Available: 1.491.100 KB
I 19:19:17 Initialising SPTI...
I 19:19:17 Searching for SCSI / ATAPI devices...
I 19:19:18 Found 1 DVD-ROM, 1 DVD±RW/RAM and 1 Unknown!
I 19:24:56 Operation Started!
I 19:24:56 Source File: C:\dump\Rawdump20\MarioKartWii.iso
I 19:24:56 Source File Sectors: 2.294.912 (MODE1/2048)
I 19:24:56 Source File Size: 4.699.979.776 bytes
I 19:24:56 Source File Volume Identifier: MarioKartWii
I 19:24:56 Source File File System(s): Special
I 19:24:56 Destination Device: [0:1:0] Optiarc DVD RW AD-7173S 1-00 (H:) (ATAPI)
I 19:24:56 Destination Media Type: DVD-R (Disc ID: MCC 02RG20) (Speeds: 2x; 4x; 6x; 8x; 12x)
I 19:24:56 Destination Media Sectors: 2.297.888
I 19:24:56 Write Mode: DVD
I 19:24:56 Write Type: DAO
I 19:24:56 Write Speed: 4x
I 19:24:56 Link Size: Auto
I 19:24:56 Lock Volume: Yes
I 19:24:56 Test Mode: No
I 19:24:56 OPC: No
I 19:24:56 BURN-Proof: Enabled
I 19:25:19 Filling Buffer... (40 MB)
I 19:25:20 Writing LeadIn...
I 19:26:00 Writing Session 1 of 1... (1 Track, LBA: 0 - 2294911)
I 19:26:00 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 2294911)
I 19:39:56 Synchronising Cache...
I 19:40:13 Exporting Graph Data...
I 19:40:13 Graph Data File: C:\ImgBurn\Graph Data Files\Optiarc_DVD_RW_AD-7173S_1-00_FREITAG-2-APRIL-2010_19-24_MCC_02RG20_4x.ibg
I 19:40:13 Export Successfully Completed!
I 19:40:13 Operation Successfully Completed! - Duration: 00:15:17
I 19:40:13 Average Write Rate: 5.496 KB/s (4.0x) - Maximum Write Rate: 5.785 KB/s (4.2x)
I 19:56:52 Close Request Acknowledged
I 19:56:52 Closing Down...
I 19:56:52 Shutting down SPTI...
I 19:56:52 ImgBurn closed!