CD Image editing

Hi, my girlfriend is working at StarBucks and they play music with some wierd cds... maybe they old mp3 but on the cd their is only 2 files: 1 with the audio data, and the other is a .txt file that contain the file name, track number, etc. It also old the expiration of the cd.
Since one of her cds expired, i tought i could just change the expiration date. So i make an image using clonecd v4.0.0.1 with subchannel. With WinIso, I extracted the .txt file, I modified it with the new expiration, deleted the .txt from the cd image and inserted the new .txt with the new expiration date. ouf....
All this was ok, but when I try to burn the image, clonecd tells me that "image.sub does not look like image.img"...

Is there a way to edit (not delete and then add a file) directly a file from a cd image? This way I could change the expiration direclty without extracting the .txt file, delete the image's .txt, modify it and then add the .txt to the image.

Tanx very much.
 
Tanx for the fast response pokopiko.

I'm not sure if the cd has some protection on it but it wouldn't surprise me. Scanning the cd with CD-R Diagnostic v1.7.2 I found many unreadable sectors... maybe thats it. SO thats why I tryed to copy the cd with clone cd.

Would it be possible with another program like nero or cdrwin? and for the sub-channel data?

tanx
 
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