1. Fix Corrupted Images Online

When a disk image is created, a checksum is computed and stored with the image. When you open the disk image, a checksum can be computed again and checked against the stored checksum. If the two checksums match, the disk image’s data hasn’t been corrupted. You can choose when to compute and verify checksums. The DMG is compressed and cannot be opened with any of the traditional Windows apps that open (uncompressed) DMG's. The DMG can only be opened and burned on OSX. Someone uncompressed the DMG to an ISO (repack) format and posted that to the usual torrent site. Sep 02, 2009  Corruption in DMG disk images. While disk images are fairly robust for the most part, sometimes they can become corrupt. Unfortunately, when corruption happens there may be little you can do to reverse it. However, there are a few things you can try. 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.

Fix Corrupted Images Online

I'll definitely keep this information in mind..
Sonos download for mac. btw, it's 'hdiutil', not 'hdutil' (obviously just a typo, otherwise there wouldn't have been any output from the 'attach' or 'imageinfo' subcommands).

Not the same problem but this may help a few users out there. Once in a blue moon I will download a file which should be an installer, it could be any kind of file however, and when I click on it it usually opens in script editor.
Often this files are named like 'Worlds Greatest program 1' Changing them to 'Worlds Greatest program 1.0' will usually make the program work. Sometimes just adding any dot and number will work. You will be asked if you want to add the extension, just say yes. I don't know why this happens but the fix is easy.

Some preliminary observations:
Disk images created directly using hdiutil create -format UDBZ don't bunzip properly.
Those converted to UDBZ (originally created using 'Disk Utility' or hdiutil without specifying a format) seem to work after bunzip2, but only using Panther's bunzip2 - Tiger's bunzip2 doesn't unzip them properly.
Anyone have any ideas to account for the differences in the UDBZ images created by the two methods, and the different behaviours of bunzip2 under 10.3 and 10.4?

Developers: When you do make a UDBZ image, put 'Requires OS X 10.4 or later' immediately under your download link/button. Leave no doubt as to the minimum requirement of your app.

The data in a disk image can be corrupted if a problem occurs while it’s being copied or if someone modifies it. You can see whether a disk image’s data has been corrupted by verifying its checksum, which is a calculation of all of its data. When a disk image is created, a checksum is computed and stored with the image. When you open the disk image, a checksum can be computed again and checked against the stored checksum. If the two checksums match, the disk image’s data hasn’t been corrupted.

You can choose when to compute and verify checksums. Be aware that doing so can take a long time.

1. In the Disk Utility app on your Mac, choose Images > Verify, then select the disk image that you want to verify.

2. Click Verify, then click Done.

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