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thanks! and i try it again with 2.4x this if my log file I 20:05:48 ImgBurn Version 2.5.5.0 started! I 20:05:48 Microsoft Windows 7 Enterprise x64 Edition (6.1, Build 7601 : Service Pack 1) I 20:05:48 Total Physical Memory: 3,929,232 KB - Available: 1,370,104 KB I 20:05:48 Initialising SPTI... I 20:05:48 Searching for SCSI / ATAPI devices... I 20:05:48 -> Drive 1 - Info: HL-DT-ST DVDRAM GSA-T50L SC05 (E:) (SATA) I 20:05:48 Found 1 DVD±RW/RAM! I 20:07:00 Operation Started! I 20:07:00 Source File: C:\Users\Leo\Downloads\Red Dead Redemption - Region Free - [360] - www.GuruFuel.com\silvrrd.dvd I 20:07:00 Source File Sectors: 3,827,488 (MODE1/2048) I 20:07:00 Source File Size: 7,838,695,424 bytes I 20:07:00 Source File Volume Identifier: DVD_ROM I 20:07:00 Source File Volume Set Identifier: ec67c000MS UDFBridge I 20:07:00 Source File Application Identifier: CDIMAGE 2.45 (12/06/2000 TM) I 20:07:00 Source File Implementation Identifier: Microsoft CDIMAGE UDF I 20:07:00 Source File File System(s): ISO9660, UDF (1.50) I 20:07:00 Destination Device: [3:0:0] HL-DT-ST DVDRAM GSA-T50L SC05 (E:) (SATA) I 20:07:00 Destination Media Type: DVD+R DL (Disc ID: MKM-003-00) (Speeds: 2.4x, 4x, 6x) I 20:07:00 Destination Media Sectors: 4,173,824 I 20:07:00 Write Mode: DVD I 20:07:00 Write Type: DAO I 20:07:00 Write Speed: 2.4x I 20:07:00 Link Size: Auto I 20:07:00 Lock Volume: Yes I 20:07:00 Test Mode: No I 20:07:00 OPC: No I 20:07:00 BURN-Proof: Enabled I 20:07:00 Write Speed Successfully Set! - Effective: 3,324 KB/s (2.4x) I 20:07:00 Book Type Setting: N/A (Reason: Invalid Command Operation Code) I 20:07:00 Optimal L0 Data Zone Capacity: 1,913,760 I 20:07:00 Optimal L0 Data Zone Method: Copied From Original Disc I 20:08:05 Set L0 Data Zone Capacity Succeeded! I 20:08:06 Filling Buffer... (40 MB) I 20:08:07 Writing LeadIn... I 20:08:13 Writing Session 1 of 1... (1 Track, LBA: 0 - 3827487) I 20:08:13 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3827487) I 20:08:13 Writing Layer 0... (LBA: 0 - 1913759) I 20:27:57 Writing Layer 1... (LBA: 1913760 - 3827487) I 20:47:47 Synchronising Cache... I 20:47:50 Closing Track... I 20:47:59 Finalising Disc... W 20:48:30 Potential 'WaitImmediateIO' Deferred Error - (21%, 0/3) - Focus Servo Error W 20:48:30 Finalise Disc Failed! - Reason: Focus Servo Error W 20:48:30 Retrying (1 of 3)... I 20:48:31 Exporting Graph Data... I 20:48:31 Graph Data File: C:\Users\Leo\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GSA-T50L_SC05_TUESDAY-AUGUST-02-2011_8-07_PM_MKM-003-00_2.4x.ibg I 20:48:31 Export Successfully Completed! I 20:48:31 Operation Successfully Completed! - Duration: 00:41:31 I 20:48:31 Average Write Rate: 3,224 KB/s (2.3x) - Maximum Write Rate: 3,374 KB/s (2.4x)

i have burn a x... dvd game with Verbatim disk and this is my log file, can anyone help me, I 17:33:52 ImgBurn Version 2.5.5.0 started! I 17:33:52 Microsoft Windows 7 Enterprise x64 Edition (6.1, Build 7600) I 17:33:52 Total Physical Memory: 3,929,232 KB - Available: 2,195,048 KB I 17:33:52 Initialising SPTI... I 17:33:52 Searching for SCSI / ATAPI devices... I 17:33:52 -> Drive 1 - Info: HL-DT-ST DVDRAM GSA-T50L SC05 (E:) (SATA) I 17:33:52 Found 1 DVD±RW/RAM! I 17:53:31 Operation Started! I 17:53:31 Source File: C:\Users\Leo\Downloads\Mafia II [MULTI5][XBOX360][Region Free][WwW.GamesTorrents.CoM]\Mafia 2.dvd I 17:53:31 Source File Sectors: 3,827,488 (MODE1/2048) I 17:53:31 Source File Size: 7,838,695,424 bytes I 17:53:31 Source File Volume Identifier: DVD_ROM I 17:53:31 Source File Volume Set Identifier: ec67c000MS UDFBridge I 17:53:31 Source File Application Identifier: CDIMAGE 2.45 (12/06/2000 TM) I 17:53:31 Source File Implementation Identifier: Microsoft CDIMAGE UDF I 17:53:31 Source File File System(s): ISO9660, UDF (1.50) I 17:53:31 Destination Device: [3:0:0] HL-DT-ST DVDRAM GSA-T50L SC05 (E:) (SATA) I 17:53:31 Destination Media Type: DVD+R DL (Disc ID: MKM-003-00) (Speeds: 2.4x, 4x, 6x) I 17:53:31 Destination Media Sectors: 4,173,824 I 17:53:31 Write Mode: DVD I 17:53:31 Write Type: DAO I 17:53:31 Write Speed: 4x I 17:53:31 Link Size: Auto I 17:53:31 Lock Volume: Yes I 17:53:31 Test Mode: No I 17:53:31 OPC: No I 17:53:31 BURN-Proof: Enabled I 17:53:31 Write Speed Successfully Set! - Effective: 5,540 KB/s (4x) I 17:53:31 Book Type Setting: N/A (Reason: Invalid Command Operation Code) I 17:53:31 User Specified L0 Data Zone Capacity: 1,913,760 I 17:54:35 Set L0 Data Zone Capacity Succeeded! I 17:54:36 Filling Buffer... (40 MB) I 17:54:37 Writing LeadIn... I 17:54:43 Writing Session 1 of 1... (1 Track, LBA: 0 - 3827487) I 17:54:43 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3827487) I 17:54:43 Writing Layer 0... (LBA: 0 - 1913759) I 18:07:24 Writing Layer 1... (LBA: 1913760 - 3827487) I 18:20:14 Synchronising Cache... I 18:20:16 Closing Track... I 18:20:25 Finalising Disc... W 18:21:06 Potential 'WaitImmediateIO' Deferred Error - (1%, 0/3) - Focus Servo Error W 18:21:06 Finalise Disc Failed! - Reason: Focus Servo Error W 18:21:06 Retrying (1 of 3)... I 18:21:07 Exporting Graph Data... I 18:21:07 Graph Data File: C:\Users\Leo\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GSA-T50L_SC05_THURSDAY-JULY-21-2011_5-53_PM_MKM-003-00_4x.ibg I 18:21:07 Export Successfully Completed! I 18:21:07 Operation Successfully Completed! - Duration: 00:27:36 I 18:21:07 Average Write Rate: 4,999 KB/s (3.6x) - Maximum Write Rate: 5,612 KB/s (4.1x)