As I reported, CopyToDVD works great with DL DVD burning, but when I tried to write ISO file, I got error. Copy of log:

8/15/2004 4:01:51 PM info ********** Report session closed ***********
8/15/2004 4:01:43 PM error Error during media structures construction: Access violation at address 004D8E8E in module 'CopyToCd.exe'. Write of address 0000004C
8/15/2004 4:01:43 PM info Finished browsing files - Data size 7.02 Gb.
8/15/2004 4:01:43 PM info Start Browsing file structures
8/15/2004 4:01:43 PM info Writing ISO image to "C:\aa.iso"
8/15/2004 4:01:43 PM info Access layer is not connected
8/15/2004 4:01:43 PM info Using DVD Video filelist creation mode.
8/15/2004 4:01:43 PM info ParamStr 3 = "/isoonly=C:\aa.iso"
8/15/2004 4:01:43 PM info ParamStr 2 = "/volumename=Titanic"
8/15/2004 4:01:43 PM info ParamStr 1 = "/dvdvideofl=C:\PROGRA~1\VSO\COPYTO~1\~c2c_fl.tmp"
8/15/2004 4:01:43 PM info ParamStr 0 = "C:\PROGRA~1\VSO\COPYTO~1\CopyToCd.exe"
8/15/2004 4:01:43 PM info User default language : 1033 (0x0409h) - English (United States)
8/15/2004 4:01:43 PM info System default language : 1049 (0x0419h) - Russian
8/15/2004 4:01:43 PM info Version 3.0.26.43
8/15/2004 4:01:43 PM info ExeName : "C:\PROGRA~1\VSO\COPYTO~1\CopyToCd.exe"
8/15/2004 4:01:43 PM info OS : Microsoft Windows XP Professional Service Pack 1 (Build 2600)

Not sure, it is a bug or I did something wrong. I selected ISO image file as writer (enabled in preferences) and DVD9 as media capasity.

http://vso.nerim.net/copytodvd3_setup_3027.exe this version solve the problem.