OS X: Application icon has a prohibitory sign, or "PowerPC applications are no longer supported" appears

Products Affected

OS X Lion, OS X Mountain Lion

Symptoms

  • When attempting to open a PowerPC-based application, this alert appears:

"You can't open the application (name of application) because PowerPC applications are no longer supported."
 

  • PowerPC-based applications display a white prohibitory sign over their icon in the Finder.

Resolution

Contact the manufacturer for an updated version of the software that is compatible with current versions of OS X.

Additional Information

Some applications, such as Microsoft Office 2004 and DivX, may not be compatible with current versions of OS X.

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.
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