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I see I will try it again Thanks a lot for your supports =)

If you want to get rid of the Duplex message you also need to uninstall the drive through the Duplex installer. http://www.duplexsecure.com/downloads But it only effects the verify stage on certain drives. Yes, the operation successfully completed but when I checked the disc using file manager, no file is found in the DVD. But the DVD is shown full when I checked with the IMGBURN. Its weird.

I cannot burn an ISO game disc since I had installed Daemon I think. I have finished the Burning progress but nth in my DVD disc. Also I have unistalled Daemon already but the IMGburn still cannot be normal operation. Also this message is arised in my log when I start the IMGBURN - "Duplex Secure's SPTD driver can have a detrimental effect on drive performance." CAn anyone give me some hints to deal with this Thanks Here is my log attached when I burn my last disc: I 02:53:58 ImgBurn Version 2.5.1.0 started! I 02:53:58 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 2) I 02:53:58 Total Physical Memory: 2,084,980 KB - Available: 1,606,528 KB W 02:53:58 Duplex Secure's SPTD driver can have a detrimental effect on drive performance. I 02:53:58 Initialising SPTI... I 02:53:58 Searching for SCSI / ATAPI devices... I 02:53:58 -> Drive 1 - Info: PIONEER DVD-RW DVR-109 1.58 (G:) (ATA) I 02:53:58 Found 1 DVD±RW! I 02:57:48 Operation Started! I 02:57:48 Source File: E:\tmd-sdggw.iso I 02:57:48 Source File Sectors: 2,294,912 (MODE1/2048) I 02:57:48 Source File Size: 4,699,979,776 bytes I 02:57:48 Source File Volume Identifier: SD GUNDAM GASYAPON WARS+ I 02:57:48 Source File File System(s): Special I 02:57:48 Destination Device: [0:1:0] PIONEER DVD-RW DVR-109 1.58 (G:) (ATA) I 02:57:48 Destination Media Type: DVD-R (Disc ID: RITEKF1) (Speeds: 4x, 6x, 8x, 12x) I 02:57:48 Destination Media Sectors: 2,298,496 I 02:57:48 Write Mode: DVD I 02:57:48 Write Type: DAO I 02:57:48 Write Speed: MAX I 02:57:48 Link Size: Auto I 02:57:48 Lock Volume: Yes I 02:57:48 Test Mode: No I 02:57:48 OPC: No I 02:57:48 BURN-Proof: Enabled I 02:57:48 Write Speed Successfully Set! - Effective: 16,620 KB/s (12x) I 02:57:48 Advanced Settings - Optimal Writing Speed: No I 02:57:48 Filling Buffer... (40 MB) I 02:58:00 Writing LeadIn... I 02:58:32 Writing Session 1 of 1... (1 Track, LBA: 0 - 2294911) I 02:58:32 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 2294911) W 02:59:11 Waiting for buffers to recover... (LBA: 88224) W 02:59:23 Waiting for hard disk activity to reach threshold level... I 02:59:24 Writing Sectors... W 03:00:03 Waiting for buffers to recover... (LBA: 176416) W 03:00:15 Waiting for hard disk activity to reach threshold level... I 03:00:15 Writing Sectors... W 03:01:35 Waiting for buffers to recover... (LBA: 301792) W 03:01:47 Waiting for hard disk activity to reach threshold level... I 03:01:47 Writing Sectors... W 03:02:34 Waiting for buffers to recover... (LBA: 402176) W 03:02:45 Waiting for hard disk activity to reach threshold level... I 03:02:46 Writing Sectors... W 03:03:33 Waiting for buffers to recover... (LBA: 503040) W 03:03:45 Waiting for hard disk activity to reach threshold level... I 03:03:45 Writing Sectors... W 03:04:34 Waiting for buffers to recover... (LBA: 605984) W 03:04:46 Waiting for hard disk activity to reach threshold level... I 03:04:47 Writing Sectors... W 03:05:39 Waiting for buffers to recover... (LBA: 714784) W 03:05:51 Waiting for hard disk activity to reach threshold level... I 03:05:51 Writing Sectors... W 03:06:40 Waiting for buffers to recover... (LBA: 818272) W 03:06:52 Waiting for hard disk activity to reach threshold level... I 03:06:53 Writing Sectors... W 03:07:39 Waiting for buffers to recover... (LBA: 917760) W 03:07:52 Waiting for hard disk activity to reach threshold level... I 03:07:53 Writing Sectors... W 03:08:41 Waiting for buffers to recover... (LBA: 1022112) W 03:08:53 Waiting for hard disk activity to reach threshold level... I 03:08:54 Writing Sectors... W 03:09:43 Waiting for buffers to recover... (LBA: 1125792) W 03:09:55 Waiting for hard disk activity to reach threshold level... I 03:09:55 Writing Sectors... W 03:11:25 Waiting for buffers to recover... (LBA: 1254304) W 03:11:36 Waiting for hard disk activity to reach threshold level... I 03:11:37 Writing Sectors... W 03:12:19 Waiting for buffers to recover... (LBA: 1346080) W 03:12:31 Waiting for hard disk activity to reach threshold level... I 03:12:32 Writing Sectors... W 03:16:56 Waiting for buffers to recover... (LBA: 1804288) W 03:17:08 Waiting for hard disk activity to reach threshold level... I 03:17:09 Writing Sectors... W 03:18:01 Waiting for buffers to recover... (LBA: 1911104) W 03:18:12 Waiting for hard disk activity to reach threshold level... I 03:18:13 Writing Sectors... W 03:19:15 Waiting for buffers to recover... (LBA: 2033600) W 03:19:27 Waiting for hard disk activity to reach threshold level... I 03:19:28 Writing Sectors... W 03:20:40 Waiting for buffers to recover... (LBA: 2174560) W 03:20:52 Waiting for hard disk activity to reach threshold level... I 03:20:53 Writing Sectors... I 03:21:53 Synchronising Cache... I 03:22:03 Exporting Graph Data... I 03:22:03 Graph Data File: C:\Documents and Settings\Stephen\Application Data\ImgBurn\Graph Data Files\PIONEER_DVD-RW_DVR-109_1.58_2010年8月1日_上午_02-57_RITEKF1_MAX.ibg I 03:22:03 Export Successfully Completed! I 03:22:03 Operation Successfully Completed! - Duration: 00:24:15 I 03:22:03 Average Write Rate: 3,278 KB/s (2.4x) - Maximum Write Rate: 5,366 KB/s (3.9x) I 04:08:29 Close Request Acknowledged I 04:08:29 Closing Down... I 04:08:31 Shutting down SPTI... I 04:08:31 ImgBurn closed!