[Incorrect function]

Have used ImgBurn for years in XP and Vista with no problems.  Tried burning a Puppy (Linux) disk today on a Win7 system, no luck (three attempts, three disks, same results):

I 05:19:59 Operation Started!
I 05:19:59 Source File: C:\Users\xxxxxx\Downloads\pup-431.iso
I 05:19:59 Source File Sectors: 53,732 (MODE1/2048)
I 05:19:59 Source File Size: 110,043,136 bytes
I 05:19:59 Source File Volume Identifier: CDROM
I 05:19:59 Source File Application Identifier: GENISOIMAGE ISO 9660/HFS FILESYSTEM CREATOR © 1993 E.YOUNGDALE © 1997-2006 J.PEARSON/J.SCHILLING © 2006-2007 CDRKIT TEAM
I 05:19:59 Source File File System(s): ISO9660 (Bootable)
I 05:19:59 Destination Device: [0:0:0] PIONEER DVD+-RW DR-K17Y 0.96 (D:) (ATA)
I 05:19:59 Destination Media Type: CD-R (Disc ID: 97m15s17f, Ritek Co.)
I 05:19:59 Destination Media Supported Write Speeds: 4x, 10x, 16x, 20x, 24x
I 05:19:59 Destination Media Sectors: 359,843
I 05:19:59 Write Mode: CD
I 05:19:59 Write Type: SAO
I 05:19:59 Write Speed: 4x
I 05:19:59 Lock Volume: Yes
I 05:19:59 Test Mode: No
I 05:19:59 OPC: No
I 05:19:59 BURN-Proof: Enabled
I 05:20:01 Write Speed Successfully Set! - Effective: 705 KB/s (4x)
I 05:20:01 Advanced Settings - Optimal Writing Speed: No
I 05:20:01 Filling Buffer... (80 MiB)
I 05:20:05 Writing LeadIn...
W 05:20:05 Failed to Write Sectors 0 - 31 - Reason: Incorrect function.
W 05:20:05 Retrying (1 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (2 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (3 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (4 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (5 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (6 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (7 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (8 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (9 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (10 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (11 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (12 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (13 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (14 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (15 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (16 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (17 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (18 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (19 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
W 05:20:05 Retrying (20 of 20)...
W 05:20:05 Retry Failed - Reason: Incorrect function.
E 05:20:25 Failed to Write Sectors 0 - 31 - Reason: Incorrect function.
I 05:20:25 Synchronising Cache...
W 05:21:29 User opted to skip the 'Close Track/Session/Disc' functions.
E 05:21:29 Failed to Write Image!
E 05:21:29 Operation Failed! - Duration: 00:01:30
I 05:21:29 Average Write Rate: N/A - Maximum Write Rate: N/A