Hi again,
Have now been able to follow the procedure you suggested. Following insertion of the DVD and trying to launch the installer, I got the following messages from Console:
19/10/2015 21:40:28.312 SmartwareDriveService[68]: 00119230: 1c 01 86 00 14 00 ................
19/10/2015 21:40:28.313 SmartwareDriveService[68]: SCSI Command Status = 0 SCSI Status = 0 SCSI Sense Key = 0 ASC = 0 ASCQ = 0
19/10/2015 21:40:28.313 SmartwareDriveService[68]: Not updating the display because it did not change.
19/10/2015 21:40:28.315 SmartwareDriveService[68]: WDDeviceManager::RebuildStatusMenuFile
19/10/2015 21:40:28.315 SmartwareDriveService[68]: 004190a0: c0 45 00 00 00 00 00 00 20 00 .E..............
19/10/2015 21:40:28.316 SmartwareDriveService[68]: SCSI Command Status = 0 SCSI Status = 0 SCSI Sense Key = 0 ASC = 0 ASCQ = 0
19/10/2015 21:40:37.996 SmartwareServiceApp[67]: writing to output file got error: No space left on device
19/10/2015 21:40:37.996 SmartwareServiceApp[67]: error processing data: No space left on device
19/10/2015 21:40:55.408 WDQuickView[377]: Updating service information
My hard drive has 72 GB space, so the "No space left on device" message seems odd. Any thoughts?
Richard