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Read mode failed on that disk(the one that the files can be viewed but not extracted) please help..this is really starting to annoy

Of the 5 coasters: 4 give the above errors but the first disk I burned now gives access to the disk(without freezing)....but when i tried to drag/extract one of the files onto the desktop.. .It starts to copy onto the desktop then I get this:

start read mode then when cancel is pressed

Test mode wont help cos no errors are reported during burn its only when trying to access the burnt disk, that there are problems...the wierd thing is..I just tried burning an old tried and tested ISO file which worked fine...maybe its what Im burning thats the cause??????

Ok, that didnt work..i got the log before trying the disk and also checked sytem logs which shows about 20 incidents of the same cdrom error(see below)... I 23:34:44 ImgBurn Version 2.3.0.0 started! I 23:34:44 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 2) I 23:34:44 Total Physical Memory: 2,095,532 KB - Available: 1,579,168 KB I 23:34:44 Initialising SPTI... I 23:34:44 Searching for SCSI / ATAPI devices... I 23:34:44 Found 2 DVD-ROMs and 1 DVD?RW! I 23:34:53 Operation Started! I 23:34:53 Source File: E:\Visual Studio 2005 Pro Edition.iso I 23:34:53 Source File Sectors: 1,997,018 (MODE1/2048) I 23:34:53 Source File Size: 4,089,892,864 bytes I 23:34:53 Source File Volume Identifier: Visual Studio 20 I 23:34:53 Source File Application Identifier: PowerISO I 23:34:53 Source File File System(s): ISO9660, Joliet I 23:34:53 Destination Device: [0:0:0] PIONEER DVD-RW DVR-107D 1.21 (H:) (ATA) I 23:34:53 Destination Media Type: DVD+R (Disc ID: MCC-004-00) (Speeds: 2.4x, 4x, 6x, 8x) I 23:34:53 Destination Media Sectors: 2,295,104 I 23:34:53 Write Mode: DVD I 23:34:53 Write Type: DAO I 23:34:53 Write Speed: MAX I 23:34:53 Link Size: Auto I 23:34:53 Test Mode: No I 23:34:53 BURN-Proof: Enabled I 23:34:54 Filling Buffer... (40 MB) I 23:34:56 Writing LeadIn... I 23:35:29 Writing Image... (LBA: 0 - 1997017) I 23:42:06 Synchronising Cache... I 23:42:07 Closing Track... I 23:42:12 Finalising Disc... I 23:42:56 Image MD5: 0f6a78fdb2565cafa707835631480a02 I 23:42:56 Operation Successfully Completed! - Duration: 00:08:02 I 23:42:56 Average Write Rate: 10,060 KB/s (7.3x) - Maximum Write Rate: 11,552 KB/s (8.3x) Event Type: Error Event Source: Cdrom Event Category: None Event ID: 7 Date: 07/04/2007 Time: 23:44:28 User: N/A Computer: K1 Description: The device, \Device\CdRom0, has a bad block. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: 03 00 68 00 01 00 b8 00 ..h...?. 0008: 00 00 00 00 07 00 04 c0 .......? 0010: 00 01 00 00 9c 00 00 c0 ....?..? 0018: 00 00 00 00 00 00 00 00 ........ 0020: 00 80 00 00 00 00 00 00 .?...... 0028: ad 24 02 00 00 00 00 00 ?$...... 0030: ff ff ff ff 00 00 00 00 ????.... 0038: 40 00 00 c4 02 00 00 00 @..?.... 0040: 00 20 0a 12 48 02 00 00 . ..H... 0048: 00 00 00 00 0a 00 00 00 ........ 0050: 00 40 d0 88 70 18 c6 8a .@?p.? 0058: 00 00 00 00 70 6e ee 8a ....pn?? 0060: 00 00 00 00 10 00 00 00 ........ 0068: 28 00 00 00 00 10 00 00 (....... 0070: 01 00 00 00 00 00 00 00 ........ 0078: f0 00 03 00 00 00 10 0e ?....... 0080: 00 00 00 00 11 05 00 00 ........ 0088: 00 00 00 00 00 00 00 00 ........

each time i had to cut the power..so no log..Im now trying: create a ISO containing a RAR file of the 8 .iso files...then Il burn it using IB..an see if that makes any difference

Hi, normally I would put this down to a bad disk, but as the described problem happened 3 times in a row(identical)..maybe its something else I dragged 8 ISO files into IB(build mode) with the intention to burn them all directly to a blank DVD..missing out the usual middle step of creating an ISO and then burning it.. The disk burnt ok, When I checked in in 'My Computer' I could see the disk label when I right clicked on the disk(to explore) my PC froze and had to cut the power.. On reboot, windows refused to read the disk(no label this time) any attempt to access the disk..windows complained it was corrupt or unkown format(coaster after the fact?) Maybe because the files were .iso..this confused the software somehow? Any ideas? Hmmn just noticed I can now access the disk albiet with 2-3 min freezes anytime I try to access any of the ISO files