Forum: UltraISO
Topic: Question about re-saving .iso file
started by: trala

Posted by trala on May 24 2008,15:13
Hi All, nice to be here.

I have a question about UltraISO. I open an existing .iso in UltraISO that contains my modified version of an XP installation disc. Well, I tried to add some unattended installs, one of which the new Firefox. But I had made an error in a setup .ini file that initiates the Firefox install, so I had to replace this .ini file with the old non-functioning one.

What I did: I opened UltraISO, and from within that opened the .iso with my modified XP on it (note, the .iso is working perfectly and is bootable, the only error is the .ini file I included for the Firefox install). The .iso opens as it should, I navigate to the location of my faulty .ini file, and replace it with the corrected one by dragging and dropping.

Then, I just clicked "save", and an .iso save dialog appears with a progress bar and my new .iso saves. BUT, along with my updated .iso, there is a file ending with ".iso.uibak". What is this file, and was this the correct way of editing and resaving my .iso? Will it still be bootable from DVD drive for XP install, and what is the use/purpose of this iso.uibak file?

Thank you...

EDIT: I went ahead and burned it to DVD disc, and tried booting it up from dvd drive, and it seems to work. Also, mounted the image in virtual driver through UltraISO, and was able to install my unattended firefox as well. So seems like the process I used to change and re-save my iso works. Still don't know what the .uibak files is for though. Any thought or comments are appreciated.

EDIT2: Is the .uibak file just a backup of the original .iso before I modified it?



Posted by trala on May 24 2008,17:08
OK, I finally found something relating to my questions. Here is the quote:

"That's right. There's no such thing as 'direct editing' of ISO files.
When the user opens an ISO file for editing, the application analyzes the file and creates a copy of that file somewhere. It is this copy that the user actually works with. In UltraISO, when you save your 'editing', the application renames the original file by appending the "uibak" filename extension. Then it builds that edited copy, giving it the original ISO filename."

I think that explains what I wanted to know pretty much, and what I suspected in my "EDIT2" entry in the previous post. Thanks everyone for letting me work this out :)

Posted by xoben on May 24 2008,21:39
'Direct Editing' is possible if you turn off 'Recompile' option.
Posted by trala on May 25 2008,11:18
Thank you, xoben! This does not affect the bootable status of the disc/iso though?

"Recompile ISO when Saving Directly"----is the ability to turn this off a new feature of UltraISO? Because most people seem to think the entire ISO needs to be rebuild after editing it. If this works, this is a cool feature!

Thanks for recommending it.



Posted by xoben on May 25 2008,19:22
QUOTE
This does not affect the bootable status of the disc/iso though?

That's right.