This was a simple test program (trying to track down another bug related to ISO images). Attached archive contains everything used.
This same test works fine on a Windows 7 32bit virtual machine.
Create ISO Image [ D:\temp\INF\FBISSUE\test.iso ]
Status: Error
Date: 11/30/2011
Time: 11:00:38:965
End: 11:00:39:174
Duration: 00:00:00:209
Action Messages:
Creating ISO File System
Exception while creating ISO file system : Interface not supported
00000000 ???
00428ec7 FinalBuilder7.exe madStackTrace CollectPossibleStackItems
0042accd FinalBuilder7.exe madStackTrace StackTrace
00454e8e FinalBuilder7.exe madExcept GetCrashStackTrace
00745bd0 FinalBuilder7.exe VSoft.IDE.Utils 31 GetStackTraceFromMadExcept
013f1155 fbcoreapi.bpl VSoft.Core.Utils 182 GetStackTrace
23500108 FBCDBurner.bpl FBCDBurnerCreateISOAction 282 TFBCDCreateISOAction.DoAction
77a3e3fa ntdll.dll KiUserExceptionDispatcher
234efe4c FBCDBurner.bpl VSoft.IMAPI2.FileSystem 4102 TMsftFileSystemImage.GetDefaultInterface
234f10ab FBCDBurner.bpl VSoft.IMAPI2.FileSystem 4367 TMsftFileSystemImage.ChooseImageDefaultsForMediaType
234f3a75 FBCDBurner.bpl VSoft.IMAPI2.Utils 329 TIMAPI2Utils.CreateMediaFileSystem
23500055 FBCDBurner.bpl FBCDBurnerCreateISOAction 268 TFBCDCreateISOAction.DoAction
234e56f3 FBCDBurner.bpl FBCDBurnerBaseAction 190 TFBCDBurnerBaseAction.Execute
017b3d7e fbcoreapi.bpl FBActionAPI 1659 TCustomFBAction.InternalExecute
017b3ffa fbcoreapi.bpl FBActionAPI 1715 TCustomFBAction.DoExecute
0144a255 fbcoreapi.bpl FBActionListRunner 1065 TFBActionListRunner.StepAction
0144b3e3 fbcoreapi.bpl FBActionListRunner 1427 TFBActionListRunner.DoRun
01448144 fbcoreapi.bpl FBActionListRunner 560 TFBActionListRunner.RunFrom
017c3a11 fbcoreapi.bpl FBProjectRunnerImpl 539 TFBProjectRunner.InternalStep
017c42f3 fbcoreapi.bpl FBProjectRunnerImpl 733 TFBProjectRunner.Run
0047b979 FinalBuilder7.exe VSoft.IDE.ProjectRunner 232 TIDEProjectRunnerThread.DoRun
0047bb8d FinalBuilder7.exe VSoft.IDE.ProjectRunner 313 TIDEProjectRunnerThread.Execute
00459017 FinalBuilder7.exe madExcept HookedTThreadExecute
00458ef9 FinalBuilder7.exe madExcept CallThreadProcSafe
00458f63 FinalBuilder7.exe madExcept ThreadExceptFrame
767be8dc kernel32.dll BaseThreadInitThunk