Dear developers,

Premable:
Thank you for free access to your great software. It’s a big help for me.

Problem:
Access to ISO-Images which are splitted into several files because of their size.

Details:
– Win XP SP3 32bit
– WinCDEmu 3.6
– ImgBurn 2.5.8.0

I used ImgBurn to create an ISO-Image of an 120 GB structure. I advised file-splitting into 2GiB-files for obvious reasons (copying …). Filesystem ISO9660+UDF1.02

ImgBurn created an range of ISO-files ending with “i00”, “i01″… instead of one “.iso”-file. Also the belonging “.mds”-file was created.

When mounting the mds-file with WinCDEmu at first no problem occured. It seams that the whole meta-data was read out of the first of the spitted files. Windows-propertys where readable (counting of the contained files and size of a folders in the image-file). But when trying to access the containing files (open, copy …) an error occured:

“MS-DOS-Access-Error” (at a Win 7 system)
or:
“Error when accessing this file or folder: (the file) can not be accessed: Wrong parameter” (translated from German)

Looks like an low-level accessing error. It might be that WinCDEmu tryes to read at the specified position of the image not recognizing that the file has been splitted into several. So an end-of-file-error would have occured.

Survival solution:
If you merge the files (“i00” …) again into one single file and rename it to “.iso”, you can mount this iso-file (not the mds-file!!) and access / read / copy everything again.

Better solution:
The mds-file should contain information about whether the iso-file ist one or splitted into several files with continous numbering. The information must be processed when accessing file data out of the image.

Thank you for your great work.

Kind regards,

F.M.