Here is the whole log:
I 10:40:32 ImgBurn Version 2.5.8.0 started!
I 10:40:32 Microsoft Windows 7 Ultimate x64 Edition (6.1, Build 7601 : Service Pack 1)
I 10:40:32 Total Physical Memory: 8.370.296 KiB - Available: 5.293.192 KiB
I 10:40:32 Initialising SPTI...
I 10:40:32 Searching for SCSI / ATAPI devices...
I 10:41:02 -> Drive 1 - Info: HL-DT-ST DVDRAM GH24NSC0 LK00-65 (G:) (ATA)
I 10:41:02 Found 1 DVD±RW!
I 10:43:09 Operation Started!
I 10:43:09 Building Image Tree...
I 10:43:11 Corrected file system selection for Operating System installation disc.
I 10:43:14 Checking Directory Depth...
I 10:43:14 Calculating Totals...
I 10:43:14 Preparing Image...
I 10:43:15 Checking Path Length...
I 10:43:15 Contents: 874 Files, 199 Folders
I 10:43:15 Content Type: Operating System Installation
I 10:43:15 Data Type: MODE1/2048
I 10:43:15 File System(s): UDF (1.02) (Bootable)
I 10:43:15 Volume Label: Win7 x64
I 10:43:15 Size: 3.131.941.310 bytes
I 10:43:15 Sectors: 1.529.648
I 10:43:15 Image Size: 3.135.963.136 bytes
I 10:43:15 Image Sectors: 1.531.232
I 10:43:17 Operation Successfully Completed! - Duration: 00:00:08
I 10:43:19 Operation Started!
I 10:43:19 Source File: -==/\/[bUILD IMAGE]\/\==-
I 10:43:19 Source File Sectors: 1.531.232 (MODE1/2048)
I 10:43:19 Source File Size: 3.135.963.136 bytes
I 10:43:19 Source File Volume Identifier: Win7 x64
I 10:43:19 Source File Volume Set Identifier: 4AF2556400175D4E
I 10:43:19 Source File Application Identifier: IMGBURN V2.5.8.0 - THE ULTIMATE IMAGE BURNER!
I 10:43:19 Source File Implementation Identifier: ImgBurn
I 10:43:19 Source File File System(s): ISO9660 (Bootable); UDF (1.02)
I 10:43:19 Destination Device: [1:1:0] HL-DT-ST DVDRAM GH24NSC0 LK00 (G:) (ATA)
I 10:43:19 Destination Media Type: DVD-R (Disc ID: TYG02)
I 10:43:20 Destination Media Supported Write Speeds: 4x; 6x; 8x
I 10:43:20 Destination Media Sectors: 2.297.888
I 10:43:20 Write Mode: DVD
I 10:43:20 Write Type: DAO
I 10:43:20 Write Speed: MAX
I 10:43:20 Link Size: Auto
I 10:43:20 Lock Volume: Yes
I 10:43:20 Test Mode: No
I 10:43:20 OPC: No
I 10:43:20 BURN-Proof: Enabled
I 10:43:21 Write Speed Successfully Set! - Effective: 11.080 KB/s (8x)
I 10:43:24 Filling Buffer... (80 MiB)
I 10:43:27 Writing LeadIn...
W 10:43:43 Potential 'ReadBufferCapacity' Deferred Error - Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:43 Failed to Write Sectors 64 - 95 - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:43 Retrying (1 of 20)...
W 10:43:43 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:43 Retrying (2 of 20)...
W 10:43:43 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:43 Retrying (3 of 20)...
W 10:43:43 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:43 Retrying (4 of 20)...
W 10:43:43 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:43 Retrying (5 of 20)...
W 10:43:43 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:43 Retrying (6 of 20)...
W 10:43:43 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:43 Retrying (7 of 20)...
W 10:43:43 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:43 Retrying (8 of 20)...
W 10:43:43 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:44 Retrying (9 of 20)...
W 10:43:44 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:44 Retrying (10 of 20)...
W 10:43:44 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:44 Retrying (11 of 20)...
W 10:43:44 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:44 Retrying (12 of 20)...
W 10:43:44 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:44 Retrying (13 of 20)...
W 10:43:44 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:44 Retrying (14 of 20)...
W 10:43:44 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:44 Retrying (15 of 20)...
W 10:43:44 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:44 Retrying (16 of 20)...
W 10:43:44 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:44 Retrying (17 of 20)...
W 10:43:44 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:44 Retrying (18 of 20)...
W 10:43:44 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:43:44 Retrying (19 of 20)...
W 10:43:44 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:43:44 Retrying (20 of 20)...
W 10:43:44 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:44:09 Retrying (21)...
W 10:44:09 Retry Failed - Reason: A solicitação não pôde ser executada devido a um erro do dispositivo de E/S.
W 10:44:10 Retrying (22)...
W 10:44:10 Retry Failed - Reason: Unknown (ASC: 0x08, ASCQ: 0x0A)
W 10:44:11 Retrying (23)...
Maybe it's a problem on the driver?