Are you encountering Mac “image data corrupted” error while mounting the dmg file ? Dmg is disk image file of any software or application that needs to be mounted before installing in the Mac OS X. You can mount the drive in any Mac volume but on some occasions you can get the error message when the disk image is being mounted. You must be worried about the money you have spent on the software, you can try to get a fresh copy of the dmg file. If the Mac image data corrupted error is still showing then may be disk volume on which you are mounting the drive is corrupted. You can check for the issue with the help of disk utility and if it is not able to fix it then you have to format the drive which will certainly fix Mac image data corrupted error. But the data will also be deleted from the drive which you can get back from the time machine or any other backup. If the data is not recovered by this way use the Mac data recovery software to restore all the files after fixing Mac image data corrupted error. The recovery is very simple and effective, so you should download the software and use it.