dirty turk

when writing an xbox 360 game i get a write speed miscompare- I 17:21:14 Write Mode: DVD I 17:21:14 Write Type: DAO I 17:21:14 Write Speed: 2x I 17:21:14 Link Size: Auto I 17:21:14 Lock Volume: Yes I 17:21:14 Test Mode: No I 17:21:14 OPC: No I 17:21:14 BURN-Proof: Enabled W 17:21:14 Write Speed Miscompare! - Wanted: 2,770 KB/s (2x), Got: 8,310 KB/s (6x)[/b][/b] I 17:21:14 Book Type Setting: N/A I 17:21:14 User Specified L0 Data Zone Capacity: 1,913,760 I 17:22:41 Set L0 Data Zone Capacity Succeeded! and then an I/O! error comes on screen this is the error in full I 17:15:21 ImgBurn Version 2.5.0.0 started! I 17:15:21 Microsoft Windows Vista Home Premium Edition (6.0, Build 6001 : Service Pack 1) I 17:15:21 Total Physical Memory: 2,881,140 KB - Available: 1,663,316 KB I 17:15:21 Initialising SPTI... I 17:15:21 Searching for SCSI / ATAPI devices... I 17:15:22 Found 1 DVD±RW/RAM! I 17:21:14 Operation Started! I 17:21:14 Source File: C:\Users\Stacie's Laptop\Desktop\xbox\imars-opflx.dvd I 17:21:14 Source File Sectors: 3,827,488 (MODE1/2048) I 17:21:14 Source File Size: 7,838,695,424 bytes I 17:21:14 Source File Volume Identifier: DVD_ROM I 17:21:14 Source File Volume Set Identifier: 356fc000MS UDFBridge I 17:21:14 Source File Application Identifier: CDIMAGE 2.45 (12/06/2000 TM) I 17:21:14 Source File Implementation Identifier: Microsoft CDIMAGE UDF I 17:21:14 Source File File System(s): ISO9660, UDF (1.50) I 17:21:14 Destination Device: [0:1:0] HL-DT-ST DVDRAM GT20N CP02 (D:) (RAID) I 17:21:14 Destination Media Type: DVD+R DL (Disc ID: CMC MAG-D03-64) (Speeds: 2.4x, 4x, 6x) I 17:21:14 Destination Media Sectors: 4,173,824 I 17:21:14 Write Mode: DVD I 17:21:14 Write Type: DAO I 17:21:14 Write Speed: 2x I 17:21:14 Link Size: Auto I 17:21:14 Lock Volume: Yes I 17:21:14 Test Mode: No I 17:21:14 OPC: No I 17:21:14 BURN-Proof: Enabled W 17:21:14 Write Speed Miscompare! - Wanted: 2,770 KB/s (2x), Got: 8,310 KB/s (6x) I 17:21:14 Book Type Setting: N/A I 17:21:14 User Specified L0 Data Zone Capacity: 1,913,760 I 17:22:41 Set L0 Data Zone Capacity Succeeded! I 17:22:41 Filling Buffer... (40 MB) I 17:22:43 Writing LeadIn... I 17:22:47 Writing Session 1 of 1... (1 Track, LBA: 0 - 3827487) I 17:22:47 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3827487) I 17:22:47 Writing Layer 0... (LBA: 0 - 1913759) W 17:39:37 Failed to Write Sectors 1515872 - 1515903 - Reason: Unknown (Internal Target Failure) (ASC: 0x44, ASCQ: 0x90) W 17:39:37 Retrying (1 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (2 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (3 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (4 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (5 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (6 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (7 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (8 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (9 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (10 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (11 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (12 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (13 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (14 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (15 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (16 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (17 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (18 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (19 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:39:37 Retrying (20 of 20)... W 17:39:37 Retry Failed - Reason: Invalid Address For Write W 17:49:10 Retrying (21)... W 17:49:10 Retry Failed - Reason: Invalid Address For Write W 17:49:10 Retrying (22)... W 17:49:10 Retry Failed - Reason: Invalid Address For Write W 17:49:11 Retrying (23)... W 17:49:11 Retry Failed - Reason: Invalid Address For Write W 17:49:11 Retrying (24)... W 17:49:11 Retry Failed - Reason: Invalid Address For Write W 17:49:11 Retrying (25)... W 17:49:11 Retry Failed - Reason: Invalid Address For Write W 17:49:12 Retrying (26)... W 17:49:12 Retry Failed - Reason: Invalid Address For Write W 17:49:12 Retrying (27)... W 17:49:12 Retry Failed - Reason: Invalid Address For Write W 17:49:12 Retrying (28)... W 17:49:12 Retry Failed - Reason: Invalid Address For Write W 17:49:12 Retrying (29)... W 17:49:12 Retry Failed - Reason: Invalid Address For Write W 17:49:12 Retrying (30)... W 17:49:12 Retry Failed - Reason: Invalid Address For Write W 17:49:13 Retrying (31)... W 17:49:13 Retry Failed - Reason: Invalid Address For Write W 17:49:13 Retrying (32)... W 17:49:13 Retry Failed - Reason: Invalid Address For Write W 17:49:13 Retrying (33)... W 17:49:13 Retry Failed - Reason: Invalid Address For Write W 17:49:13 Retrying (34)... W 17:49:13 Retry Failed - Reason: Invalid Address For Write W 17:49:13 Retrying (35)... W 17:49:13 Retry Failed - Reason: Invalid Address For Write W 17:49:13 Retrying (36)... W 17:49:13 Retry Failed - Reason: Invalid Address For Write W 17:49:14 Retrying (37)... W 17:49:14 Retry Failed - Reason: Invalid Address For Write W 17:49:14 Retrying (38)... W 17:49:14 Retry Failed - Reason: Invalid Address For Write W 17:49:14 Retrying (39)... W 17:49:14 Retry Failed - Reason: Invalid Address For Write W 17:49:14 Retrying (40)... W 17:49:14 Retry Failed - Reason: Invalid Address For Write E 17:49:15 Failed to Write Sectors 1515872 - 1515903 - Reason: Unknown (Internal Target Failure) (ASC: 0x44, ASCQ: 0x90) E 17:49:15 Next Writable Address: 1515648 I 17:49:16 Synchronising Cache... W 17:49:20 User opted to skip the 'Close Track/Session/Disc' functions. E 17:49:20 Failed to Write Image! I 17:49:20 Exporting Graph Data... I 17:49:20 Graph Data File: C:\Users\Stacie's Laptop\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GT20N_CP02_14-OCTOBER-2009_17-21_CMC_MAG-D03-64_2x.ibg I 17:49:20 Export Successfully Completed! E 17:49:20 Operation Failed! - Duration: 00:28:06 any ideas?