Logic Pro/Express 8: Logic may quit unexpectedly when adjusting some Apple Audio Unit plug-ins with Mac OS X v10.6

Symptoms

You may notice Logic Pro 8 and Logic Express 8 quit unexpectedly when you click the Details disclosure triangle on Apple Audio Unit plug-ins on Mac OS X v10.6.

Products Affected

Logic Express 8, Logic Pro 8

Resolution

Follow these steps to work around this issue: 

1. Open GarageBand and insert the Apple Audio Unit on a track.
2. Make the desired adjustments in the plug-in interface and save it as a preset.
3. Open Logic and load the plug-in preset.

Notes:

• Logic 8 has not been tested with Mac OS X v10.6.
• Logic 9 is not affected by this issue.
• The following Apple Audio Units have a Details disclosure triangle and are potentially affected by this issue:
  • AUDelay
  • AUDynamicsProcessor
  • AUMultibandCompressor

This document will be updated as more information becomes available.

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3. Logic Pro/Express: Reset Setting menu option may not work with Audio Unit plug-ins
4. Logic Pro/Express 8 – Logic seems to stop responding (hang) while “Searching for Audio Unit plug-ins” when starting up
5. Logic Pro, Logic Express: Remove Audio Unit plug-ins to troubleshoot issues