I'm guessing that you have Stuffit Expander 8.0.0.
HexEdit Fat is a single-file, dual-fork CFM Carbon application, while HexEdit.app is a bundle-style Mach-O application.
The archive that's provided is a .sit archive. Stuffit Expander 8.0.0 didn't, by request from Apple, set the executable bits of files that were expanded.
Mach-O executables need to have their executable bits set to run properly, while permissions on CFM applications are simply ignored. That's why the CFM one runs, and the Mach-O one doesn't.
You can get the latest version of Stuffit which should expand the archive "properly" and cause the app to run correctly.
Hope this helps....
HexEdit
hexadecimal file editor handles both data & resource forks
Version: 2.20
Re: Gordon Alley
Feedback Type: Commentary
Contributed by: Mark Douma Thursday, October 28 2004 @ 08:01 AM PDT
Product Platform: MacOS,MacOSX
Used Product For: Over One Year
Recommend Product: YES
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