ok just finished got the same error while trying to close the final session
also it got an error at 50% but i pressed retry and it started again...
E 00:37:40 Failed to set L0 Data Zone Capacity!
E 00:37:40 Reason: Power Calibration Area Error
E 00:37:40 Operation Failed! - Duration: 00:00:05
I 00:37:40 Average Write Rate: N/A - Maximum Write Rate: N/A
I 00:37:45 Operation Started!
I 00:37:45 Source File: C:\Downloads\purex-imars.dvd
I 00:37:45 Source File Sectors: 3,825,924 (MODE1/2048)
I 00:37:45 Source File Size: 7,835,492,352 bytes
I 00:37:45 Source File Volume Identifier: XGD2DVD_NTSC
I 00:37:45 Source File Volume Set Identifier: 34672923
I 00:37:45 Source File Implementation Identifier: Sonic Scenarist 3.1
I 00:37:45 Source File File System(s): ISO9660, UDF (1.02)
I 00:37:45 Destination Device: [0:0:0] LITE-ON DVDRW SHW-160P6S PS0C (E:) (USB)
I 00:37:45 Destination Media Type: DVD+R DL (Disc ID: MKM-001-00) (Speeds: 0x, 2.4x)
I 00:37:45 Destination Media Sectors: 4,173,824
I 00:37:45 Write Mode: DVD
I 00:37:45 Write Type: DAO
I 00:37:45 Write Speed: 1x
I 00:37:45 Link Size: Auto
I 00:37:45 Test Mode: No
I 00:37:45 OPC: No
I 00:37:45 BURN-Proof: Enabled
I 00:37:45 Book Type Setting: DVD-ROM
I 00:37:45 Advanced Settings - Force HT: No, Online HT: No, OverSpeed: No, SmartBurn: Yes
I 00:37:45 Optimal L0 Data Zone Capacity: 1,913,760
I 00:37:45 Optimal L0 Data Zone Method: Copied From Original Disc
E 00:40:17 Failed to set L0 Data Zone Capacity!
E 00:40:17 Reason: Power Calibration Area Error
E 00:40:17 Operation Failed! - Duration: 00:02:32
I 00:40:17 Average Write Rate: N/A - Maximum Write Rate: N/A
I 00:45:53 Operation Started!
I 00:45:53 Source File: C:\Downloads\purex-imars.dvd
I 00:45:53 Source File Sectors: 3,825,924 (MODE1/2048)
I 00:45:53 Source File Size: 7,835,492,352 bytes
I 00:45:53 Source File Volume Identifier: XGD2DVD_NTSC
I 00:45:53 Source File Volume Set Identifier: 34672923
I 00:45:53 Source File Implementation Identifier: Sonic Scenarist 3.1
I 00:45:53 Source File File System(s): ISO9660, UDF (1.02)
I 00:45:53 Destination Device: [0:0:0] LITE-ON DVDRW SHW-160P6S PS0C (E:) (USB)
I 00:45:53 Destination Media Type: DVD+R DL (Disc ID: MKM-001-00) (Speeds: 0x, 2.4x)
I 00:45:53 Destination Media Sectors: 4,173,824
I 00:45:53 Write Mode: DVD
I 00:45:53 Write Type: DAO
I 00:45:53 Write Speed: 1x
I 00:45:53 Link Size: Auto
I 00:45:53 Test Mode: No
I 00:45:53 OPC: No
I 00:45:53 BURN-Proof: Enabled
I 00:45:54 Book Type Setting: DVD-ROM
I 00:45:54 Advanced Settings - Force HT: No, Online HT: No, OverSpeed: No, SmartBurn: Yes
I 00:45:54 Optimal L0 Data Zone Capacity: 1,913,760
I 00:45:54 Optimal L0 Data Zone Method: Copied From Original Disc
I 00:46:18 Filling Buffer... (20 MB)
I 00:46:19 Writing LeadIn...
I 00:46:21 Writing Session 1 of 1... (1 Track, LBA: 0 - 3825923)
I 00:46:21 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3825923)
I 00:46:21 Writing Layer 0... (LBA: 0 - 1913759)
I 01:05:57 Writing Layer 1... (LBA: 1913760 - 3825923)
W 01:05:58 Failed to Write Sectors 1913760 - 1913791 - Reason: Power Calibration Area Error
W 01:05:58 Retrying (1 of 20)...
W 01:05:58 Retry Failed - Reason: Power Calibration Area Error
W 01:05:58 Retrying (2 of 20)...
W 01:05:58 Retry Failed - Reason: Power Calibration Area Error
W 01:05:58 Retrying (3 of 20)...
W 01:05:58 Retry Failed - Reason: Power Calibration Area Error
W 01:05:58 Retrying (4 of 20)...
W 01:05:58 Retry Failed - Reason: Power Calibration Area Error
W 01:05:58 Retrying (5 of 20)...
W 01:05:58 Retry Failed - Reason: Power Calibration Area Error
W 01:05:58 Retrying (6 of 20)...
W 01:05:58 Retry Failed - Reason: Power Calibration Area Error
W 01:05:58 Retrying (7 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (8 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (9 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (10 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (11 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (12 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (13 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (14 of 20)...
W 01:05:59 Retry Failed - Reason: Power Calibration Area Error
W 01:05:59 Retrying (15 of 20)...
W 01:06:00 Retry Failed - Reason: Power Calibration Area Error
W 01:06:00 Retrying (16 of 20)...
W 01:06:00 Retry Failed - Reason: Power Calibration Area Error
W 01:06:00 Retrying (17 of 20)...
W 01:06:00 Retry Failed - Reason: Power Calibration Area Error
W 01:06:00 Retrying (18 of 20)...
W 01:06:00 Retry Failed - Reason: Power Calibration Area Error
W 01:06:00 Retrying (19 of 20)...
W 01:06:00 Retry Failed - Reason: Power Calibration Area Error
W 01:06:00 Retrying (20 of 20)...
W 01:06:00 Retry Failed - Reason: Power Calibration Area Error
W 01:19:43 Retrying (21)...
I 01:19:45 Writing Sectors...
I 01:39:24 Synchronising Cache...
I 01:39:28 Closing Track...
W 01:39:29 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:39:29 Close Track Failed! - Reason: Power Calibration Area Error
W 01:39:29 Retrying (1 of 3)...
W 01:39:30 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:39:30 Retry Failed - Reason: Power Calibration Area Error
W 01:39:30 Retrying (2 of 3)...
W 01:39:31 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:39:31 Retry Failed - Reason: Power Calibration Area Error
W 01:39:31 Retrying (3 of 3)...
W 01:39:32 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:39:32 Retry Failed - Reason: Power Calibration Area Error
W 01:42:36 Retrying (4)...
W 01:42:37 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:42:37 Retry Failed - Reason: Power Calibration Area Error
W 01:42:38 Retrying (5)...
W 01:42:39 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:42:39 Retry Failed - Reason: Power Calibration Area Error
W 01:42:39 Retrying (6)...
W 01:42:40 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:42:40 Retry Failed - Reason: Power Calibration Area Error
W 01:42:41 Retrying (7)...
W 01:42:42 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:42:42 Retry Failed - Reason: Power Calibration Area Error
W 01:42:42 Retrying (8)...
W 01:42:43 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:42:43 Retry Failed - Reason: Power Calibration Area Error
W 01:42:44 Retrying (9)...
W 01:42:45 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:42:45 Retry Failed - Reason: Power Calibration Area Error
W 01:42:45 Retrying (10)...
W 01:42:46 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Power Calibration Area Error
W 01:42:46 Retry Failed - Reason: Power Calibration Area Error
I 01:42:47 Closing Track (Last Attempt!)...
E 01:42:47 Close Track Failed! - Reason: Power Calibration Area Error
I 01:42:47 Finalising Disc...
W 01:42:47 Finalise Disc Failed! - Reason: Session Fixation Error - Incomplete Track in Session
W 01:42:47 Retrying (1 of 3)...
W 01:42:47 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session
W 01:42:47 Retrying (2 of 3)...
W 01:42:47 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session
W 01:42:47 Retrying (3 of 3)...
W 01:42:47 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session
W 01:42:49 Retrying (4)...
W 01:42:49 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session
W 01:42:49 Retrying (5)...
W 01:42:49 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session
W 01:42:50 Retrying (6)...
W 01:42:50 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session
E 01:42:51 Failed to Write Image!
I 01:42:51 Exporting Graph Data...
I 01:42:51 Graph Data File: C:\Documents and Settings\fLip\Application Data\ImgBurn\Graph Data Files\LITE-ON_DVDRW_SHW-160P6S_PS0C_FRIDAY-OCTOBER-10-2008_12-45_AM_MKM-001-00_1x.ibg
I 01:42:51 Export Successfully Completed!
E 01:42:51 Operation Failed! - Duration: 00:56:57
I 01:42:51 Average Write Rate: 2,403 KB/s (1.7x) - Maximum Write Rate: 3,387 KB/s (2.4x)
thanks for any help !!