Why singed app didn't work for a while

One of my signed thirdparty app was blocked to be loaded on host application. I verifed with "codesign" then it has problem on it. A few days later, I tried to figure out what is the problem. At that time, it's just worked and has result of codesign tool which is "valid on disk" and "satisfies its Designated Requirement". I didn't do anything with the app, I wonder status of certification could be changed?

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There isn’t enough info here to offer any meaningful advice. First up, are you signing for Mac App Store distribution? Or using Developer ID and distributing independently?

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Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"

Thanks for your quick response.


The application is signed for Mac App Store distribution with "3rd Party Mac Developer Application" certificate.

OK. What were the specific symptoms of the failure to load? A crash? An alert? And if so, what did the alert say?

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Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"