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Amicuk Programming Answers

Cannot mount a .dmg file

-0001-11-30   Views:1

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I just received a Slingbox Pro for the holidays. I downloaded their software, which is in the form of a dmg file. After the download it would not mount. The people at SlingBox are clueless. I'm waiting for a Mac specialist to call me back. Any idea w

I just received a Slingbox Pro for the holidays. I downloaded their software, which is in the form of a dmg file. After the download it would not mount. The people at SlingBox are clueless. I'm waiting for a Mac specialist to call me back.
Any idea why it is not mounting? Just as a test I downloaded iTunes because it too is a dmg file and it mounted. They think it is some setting regarding a firewall or the like. Help...
Scott

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That means that perhaps the file you downloaded got a little messed up on its way to your computer, or perhaps the checksum information wasnt included in the original file. Disk images have checksums to ensure the integrity of the disk image is ok. It works by summing up the number of bits and bytes in the image/file according to a summation algorithm that will give you a specific "checksum" number. The file should contain the checksum number (created and embedded in the file when the original disk image was created) that your computer compares to it's checksum number that it gets when it runs the same algorithm upon mounting the disk image. If the image is intact, then the checksums will match, but if the original checksum is missing or they dont match, then the disk will be avoided for fear of corrupt data, etc.
I'd recommend re-downloading the file, but if you want to try one more thing with this one, open "Disk Utility" and in the preferences uncheck the "Verify checksum" option. Then go to the file menu and select the option to open a disk image and hope it mounts without checksum verification. If it's just a checksum error where the checksum number is missing, then the contents should be fine and you should be able to install the program, but if there's a problem with the disk image then its likely the installer files will be corrupted and you will get errors. Its worth a shot...
Message was edited by: Topher Kessler

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