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-   -   How to unlock a "locked" .mdf image file. (http://www.gamingforce.org/forums/showthread.php?t=16680)

seanne Dec 27, 2006 06:00 AM

How to unlock a "locked" .mdf image file.
 
I'm having problems with an image file (.mdf format) I downloaded.

First of all, when I run its .sfv that tells me that the file is locked

http://hem.bredband.net/seanne/lockediso2.jpg

If I try to burn the image using Alcohol 120%, I get this:

http://hem.bredband.net/seanne/lockediso3.jpg

And finally, if I either mount the image or unpack it with Isobuster and then play the individual .vob's, the video looks like so:

http://hem.bredband.net/seanne/lockediso1.jpg

So I guess that either was the source dvd copy protected, or the guy who ripped the image did some shit with it.

Can anyone give me a hand with this?

LiquidAcid Dec 27, 2006 06:33 AM

Locked usually means that some application has both write and read (exclusive) access to the file, so another application can't execute read operations on the file (the reason for the SFV checker not scanning the file).

Can you mount it with Daemon Tools and open the virtual drive with DVD Decryptor? Maybe the CSS encryption was not removed while ripping the DVD?

seanne Dec 27, 2006 11:17 AM

Quote:

Originally Posted by LiquidAcid
Maybe the CSS encryption was not removed while ripping the DVD?

Seems so unfortunately:

http://hem.bredband.net/seanne/lockediso4.jpg

So is it possible to get rid of this protection then?

Rock Dec 27, 2006 11:27 AM

Just run it through DVD Decrypter again.

seanne Dec 27, 2006 11:57 AM

"Run it through"?

You mean I should rip it from the mounted ISO?

LiquidAcid Dec 27, 2006 12:49 PM

Correct. Extracting an ISO from a DVD doesn't mean the encryption is automatically removed. DVD Decryptor does this for you if you don't touch the settings, but it also lets you read the original encrypted data and create a (lets say) 1:1 copy of the DVD.
If you burn the ISO it should play in a normal DVD standalone. VLC should play the mounted ISO also without problem (maybe you should test this first).

seanne Dec 27, 2006 02:32 PM

Yay, running it through dvddecrypter did the trick.

Cheers, fellas.


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