below100hz

i havent tried a cleaning disc yet, cleaned it with some cotton tho. it may be worth a shot, the tray was a little dusty

heres one of them "spindle servo error" I 15:12:55 ImgBurn Version 2.5.0.0 started! I 15:12:55 Microsoft Windows Vista Home Premium x64 Edition (6.0, Build 6002 : Service Pack 2) I 15:12:55 Total Physical Memory: 4,183,072 KB - Available: 1,345,316 KB I 15:12:55 Initialising SPTI... I 15:12:55 Searching for SCSI / ATAPI devices... I 15:12:56 Found 1 DVD±RW/RAM! I 15:13:08 Operation Started! I 15:13:08 Source File: C:\Users\ryan\Documents\360games\Left.4.Dead.2.Region.Free.XBOX360\L4D2.dvd I 15:13:08 Source File Sectors: 3,827,488 (MODE1/2048) I 15:13:08 Source File Size: 7,838,695,424 bytes I 15:13:08 Source File Volume Identifier: XGD2DVD_NTSC I 15:13:08 Source File Volume Set Identifier: 34672923 I 15:13:08 Source File Implementation Identifier: Sonic Scenarist 3.1 I 15:13:08 Source File File System(s): ISO9660, UDF (1.02) I 15:13:08 Destination Device: [1:0:0] HL-DT-ST DVDRAM GSA-T40N JT03 (D:) (ATA) I 15:13:08 Destination Media Type: DVD+R DL (Disc ID: MKM-001-00) (Speeds: 2.4x) I 15:13:08 Destination Media Sectors: 4,173,824 I 15:13:08 Write Mode: DVD I 15:13:08 Write Type: DAO I 15:13:08 Write Speed: 2.4x I 15:13:08 Link Size: Auto I 15:13:08 Lock Volume: Yes I 15:13:08 Test Mode: No I 15:13:08 OPC: No I 15:13:08 BURN-Proof: Enabled I 15:13:08 Book Type Setting: N/A I 15:13:08 User Specified L0 Data Zone Capacity: 1,913,760 W 15:13:38 Set L0 Data Zone Capacity Failed! - Reason: Program Memory Area Update Failure I 15:13:39 Filling Buffer... (40 MB) I 15:13:40 Writing LeadIn... I 15:13:47 Writing Session 1 of 1... (1 Track, LBA: 0 - 3827487) I 15:13:47 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3827487) I 15:13:47 Writing Layer 0... (LBA: 0 - 1913759) W 15:33:07 Failed to Write Sectors 1865536 - 1865567 - Reason: Spindle Servo Failure W 15:33:07 Retrying (1 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (2 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (3 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (4 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (5 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (6 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (7 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (8 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (9 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (10 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (11 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (12 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (13 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (14 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (15 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (16 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (17 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (18 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (19 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:07 Retrying (20 of 20)... W 15:33:07 Retry Failed - Reason: Invalid Address For Write W 15:33:21 Retrying (21)... W 15:33:21 Retry Failed - Reason: Invalid Address For Write W 15:33:24 Retrying (22)... W 15:33:24 Retry Failed - Reason: Invalid Address For Write W 15:33:24 Retrying (23)... W 15:33:24 Retry Failed - Reason: Invalid Address For Write W 15:33:25 Retrying (24)... W 15:33:25 Retry Failed - Reason: Invalid Address For Write E 15:33:41 Failed to Write Sectors 1865536 - 1865567 - Reason: Spindle Servo Failure E 15:33:41 Next Writable Address: 1864992 I 15:33:41 Synchronising Cache... W 15:34:03 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 15:34:03 Synchronise Cache Failed! - Reason: Program Memory Area Update Failure W 15:34:03 Retrying (1 of 3)... W 15:34:24 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 15:34:24 Retry Failed - Reason: Program Memory Area Update Failure W 15:34:24 Retrying (2 of 3)... W 15:34:47 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 15:34:47 Retry Failed - Reason: Program Memory Area Update Failure W 15:34:47 Retrying (3 of 3)... W 15:35:07 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 15:35:07 Retry Failed - Reason: Program Memory Area Update Failure E 15:35:53 Synchronise Cache Failed! - Reason: Program Memory Area Update Failure I 15:35:53 Synchronising Cache (Last Attempt!)... E 15:36:00 Synchronise Cache Failed! - Reason: Unknown (ASC: 0xA0, ASCQ: 0x80) W 15:39:36 User opted to skip the 'Close Track/Session/Disc' functions. E 15:39:36 Failed to Write Image! I 15:39:36 Exporting Graph Data... I 15:39:36 Graph Data File: C:\Users\ryan\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GSA-T40N_JT03_FRIDAY-JANUARY-08-2010_3-13_PM_MKM-001-00_2.4x.ibg I 15:39:36 Export Successfully Completed! E 15:39:36 Operation Failed! - Duration: 00:26:27 I 15:39:36 Average Write Rate: 3,124 KB/s (2.3x) - Maximum Write Rate: 3,380 KB/s (2.4x) another "tracking servo error" 01:55:22 Operation Started! I 01:55:22 Source File: C:\Users\ryan\Documents\360games\Call.Of.Duty.Modern.Warfare.2.XBOX360.RF-IPT\CODMW2.dvd I 01:55:22 Source File Sectors: 3,697,696 (MODE1/2048) I 01:55:22 Source File Size: 7,572,881,408 bytes I 01:55:22 Source File Volume Identifier: XGD2DVD_NTSC I 01:55:22 Source File Volume Set Identifier: 34672923 I 01:55:22 Source File Implementation Identifier: Sonic Scenarist 3.1 I 01:55:22 Source File File System(s): ISO9660, UDF (1.02) I 01:55:22 Destination Device: [1:0:0] HL-DT-ST DVDRAM GSA-T40N JT03 (D:) (ATA) I 01:55:22 Destination Media Type: DVD+R DL (Disc ID: MKM-001-00) (Speeds: 2.4x) I 01:55:22 Destination Media Sectors: 4,173,824 I 01:55:22 Write Mode: DVD I 01:55:22 Write Type: DAO I 01:55:22 Write Speed: 2.4x I 01:55:22 Link Size: Auto I 01:55:22 Lock Volume: Yes I 01:55:22 Test Mode: No I 01:55:22 OPC: No I 01:55:22 BURN-Proof: Enabled I 01:55:22 Book Type Setting: N/A I 01:55:22 Optimal L0 Data Zone Capacity: 1,913,760 I 01:55:22 Optimal L0 Data Zone Method: Copied From Original Disc W 01:55:52 Set L0 Data Zone Capacity Failed! - Reason: Program Memory Area Update Failure W 01:55:52 Retrying (1)... W 01:55:53 Set L0 Data Zone Capacity Failed! - Reason: Invalid Field in Parameter List I 01:55:53 Filling Buffer... (40 MB) I 01:55:54 Writing LeadIn... I 01:56:02 Writing Session 1 of 1... (1 Track, LBA: 0 - 3697695) I 01:56:02 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3697695) I 01:56:02 Writing Layer 0... (LBA: 0 - 1913759) W 02:04:48 Failed to Write Sectors 841760 - 841791 - Reason: Tracking Servo Failure W 02:04:48 Retrying (1 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (2 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (3 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (4 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (5 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (6 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (7 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (8 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (9 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (10 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (11 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (12 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (13 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (14 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (15 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (16 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (17 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (18 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (19 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:04:48 Retrying (20 of 20)... W 02:04:48 Retry Failed - Reason: Invalid Address For Write W 02:05:09 Retrying (21)... W 02:05:09 Retry Failed - Reason: Invalid Address For Write W 02:05:10 Retrying (22)... W 02:05:10 Retry Failed - Reason: Invalid Address For Write W 02:05:13 Retrying (23)... W 02:05:13 Retry Failed - Reason: Invalid Address For Write W 02:05:15 Retrying (24)... W 02:05:15 Retry Failed - Reason: Invalid Address For Write E 02:05:17 Failed to Write Sectors 841760 - 841791 - Reason: Tracking Servo Failure E 02:05:17 Next Writable Address: 841216 I 02:05:17 Synchronising Cache... W 02:05:40 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 02:05:40 Synchronise Cache Failed! - Reason: Program Memory Area Update Failure W 02:05:40 Retrying (1 of 3)... W 02:06:01 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 02:06:01 Retry Failed - Reason: Program Memory Area Update Failure W 02:06:01 Retrying (2 of 3)... W 02:06:23 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 02:06:23 Retry Failed - Reason: Program Memory Area Update Failure W 02:06:23 Retrying (3 of 3)... W 02:06:45 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 02:06:45 Retry Failed - Reason: Program Memory Area Update Failure W 02:06:53 Retrying (4)... W 02:07:16 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Update Failure W 02:07:16 Retry Failed - Reason: Program Memory Area Update Failure E 02:07:19 Synchronise Cache Failed! - Reason: Program Memory Area Update Failure I 02:07:19 Synchronising Cache (Last Attempt!)... E 02:07:42 Synchronise Cache Failed! - Reason: Unknown (ASC: 0xA0, ASCQ: 0x80) W 02:07:53 User opted to skip the 'Close Track/Session/Disc' functions. E 02:07:53 Failed to Write Image! I 02:07:53 Exporting Graph Data... I 02:07:53 Graph Data File: C:\Users\ryan\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GSA-T40N_JT03_THURSDAY-JANUARY-07-2010_1-55_AM_MKM-001-00_2.4x.ibg I 02:07:53 Export Successfully Completed! E 02:07:53 Operation Failed! - Duration: 00:12:30 I 02:07:53 Average Write Rate: 3,033 KB/s (2.2x) - Maximum Write Rate: 3,384 KB/s (2.4x) also have another memorex one that says internal target failure

i have constantly gotten different errors while trying to burn a backup, was about to finally order an external and though i would try one more time. im at school and only had a single memorex disc with me (i know, junk) i havent had any luck with verbatim discs either in the past, used to get around 40% and stop (tracking servo errors etc) got to 100% and while finalizing the disc i got a Session Fixation Error. hit continue and it said complete. does not load... I 21:11:41 Operation Started! I 21:11:41 Source File: C:\Users\ryan\Documents\360games\Call.Of.Duty.Modern.Warfare.2.XBOX360.RF-IPT\CODMW2.dvd I 21:11:41 Source File Sectors: 3,697,696 (MODE1/2048) I 21:11:41 Source File Size: 7,572,881,408 bytes I 21:11:41 Source File Volume Identifier: XGD2DVD_NTSC I 21:11:41 Source File Volume Set Identifier: 34672923 I 21:11:41 Source File Implementation Identifier: Sonic Scenarist 3.1 I 21:11:41 Source File File System(s): ISO9660, UDF (1.02) I 21:11:41 Destination Device: [1:0:0] HL-DT-ST DVDRAM GSA-T40N JT03 (D:) (ATA) I 21:11:41 Destination Media Type: DVD+R DL (Disc ID: RITEK-S04-66) (Speeds: 2.4x, 4x) I 21:11:41 Destination Media Sectors: 3,827,520 I 21:11:41 Write Mode: DVD I 21:11:41 Write Type: DAO I 21:11:41 Write Speed: 4x I 21:11:41 Link Size: Auto I 21:11:41 Lock Volume: Yes I 21:11:41 Test Mode: No I 21:11:41 OPC: No I 21:11:41 BURN-Proof: Enabled I 21:11:41 Book Type Setting: N/A I 21:11:41 User Specified L0 Data Zone Capacity: 1,913,760 I 21:11:41 Set L0 Data Zone Capacity Succeeded! I 21:11:41 Filling Buffer... (40 MB) I 21:11:43 Writing LeadIn... I 21:11:46 Writing Session 1 of 1... (1 Track, LBA: 0 - 3697695) I 21:11:46 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3697695) I 21:11:46 Writing Layer 0... (LBA: 0 - 1913759) I 21:31:32 Writing Layer 1... (LBA: 1913760 - 3697695) I 21:50:08 Synchronising Cache... W 21:50:10 Potential 'WaitImmediateIO' Deferred Error - (0%, 0/3) - Program Memory Area Is Full W 21:50:10 Synchronise Cache Failed! - Reason: Program Memory Area Is Full W 21:50:10 Retrying (1 of 3)... W 21:50:11 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Program Memory Area Is Full W 21:50:11 Retry Failed - Reason: Program Memory Area Is Full W 21:50:11 Retrying (2 of 3)... W 21:50:12 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Program Memory Area Is Full W 21:50:12 Retry Failed - Reason: Program Memory Area Is Full W 21:50:12 Retrying (3 of 3)... W 21:50:13 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Program Memory Area Is Full W 21:50:13 Retry Failed - Reason: Program Memory Area Is Full W 21:50:29 Retrying (4)... W 21:50:30 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Program Memory Area Is Full W 21:50:30 Retry Failed - Reason: Program Memory Area Is Full I 21:50:31 Closing Track... I 21:50:32 Finalising Disc... W 21:50:33 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Session Fixation Error - Incomplete Track in Session W 21:50:33 Finalise Disc Failed! - Reason: Session Fixation Error - Incomplete Track in Session W 21:50:33 Retrying (1 of 3)... W 21:50:34 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Session Fixation Error - Incomplete Track in Session W 21:50:34 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session W 21:50:34 Retrying (2 of 3)... W 21:50:35 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Session Fixation Error - Incomplete Track in Session W 21:50:35 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session W 21:50:35 Retrying (3 of 3)... W 21:50:36 Potential 'WaitImmediateIO' Deferred Error - (0/3) - Session Fixation Error - Incomplete Track in Session W 21:50:36 Retry Failed - Reason: Session Fixation Error - Incomplete Track in Session I 21:50:45 Exporting Graph Data... I 21:50:45 Graph Data File: C:\Users\ryan\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GSA-T40N_JT03_TUESDAY-FEBRUARY-02-2010_9-11_PM_RITEK-S04-66_4x.ibg I 21:50:45 Export Successfully Completed! I 21:50:45 Operation Successfully Completed! - Duration: 00:39:03 I 21:50:45 Average Write Rate: 3,212 KB/s (2.3x) - Maximum Write Rate: 3,379 KB/s (2.4x)