DVD Decrypter STUMPED!!! Unable to backup on pioneer105v1.21

[d-rave]

I've been trying to copy a dvd for ages and I've just about had enough.

I've tried DVD Decrypter and got the following error...

I/O Error!

Device: [1:0:0]Pioneer DVD-RW DVR-105 1.21(E

ScsiStatus: 0x02
Interpretation: Check Condition

CDB: 28 00 00 05 10 F0 00 00 01 00
Interpretation: Read(10) - Sector: 332016

Sense AreaL F0 00 03 00 05 10 F0 0E 00 00 00 00 11 05
Interpretation: L-EC Uncorrectable Error

DoD DVD Speed Ripper v1.1 reported this....
ASPI COMMAND ERROR
------------------

ASPI Address : [255:255:255]
ASPI SRB Status : 81
Host Adapter Status: 0
Logical Unit Status: 0

Sense Area: 00 00 00 00 00 00 00 00 00 00 00 00 00 00
CDB : A8 00 00 00 01 00 00 00 00 01 00 00

Interpretation:
SS_INVALID_HA: The SRB host adapter is invalid


The aspi layer is....

Adaptect ASPI Installation Verification - WINDOWS XP
ASPI32.SYS 4.71.2
WOWPOST.EXE 4.6 (1021)
WINASPI.DLL 4.6 (1021)
WNASPI32.DLL 4.71.2

Would be grateful if anyone could help to point me in where I should be looking !!!??