Also, try downloading the file again with the download assistant plug-ins being off. So what you can do is to download the same dmg file again to make sure there is no problem with the download.

In most cases, the issue can be the corrupt or dmg file which is not downloaded correctly. Down below, you’ll discover a collection of methods that other users in a similar situation have successfully used to resolve the issue. Now that you have a basic understanding of the nature of the problem, we will move on towards the methods. These files are generated by the system itself, but there is a chance that it might get corrupted sometimes.

Catalog Files Node: The catalog files node is used to keep the record of the file’s type and how the accessing type.

Some new and latest ones might not work with the older OS because of the APFS format.

File Format: Every file is not compatible with all the Mac OS available.

Corrupt DMG File: A dmg file available for download can be corrupt, or when you try to download the file from the browser, it can be not downloaded correctly.

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