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El Capitan: "PowerPC applications are no longer supported" error message #

Some third-party apps may appear in the Applications folder with a prohibitory sign on top of their icons. Attempting to open such an app results in the following error message:
You can't open the application "foobar" because PowerPC applications are no longer supported.
despite it not being a PowerPC-based app.

The solution (for now) is to simply move or copy the app to the Desktop (or anywhere else in the user's home directory, presumably).

/mac | Oct 23, 2015


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