Apple Compressor – Start-Up Hangs – Fixed

On MBP, I tried starting-up Compressor but its icon just bounced up & down (on the task-bar) for ages.  Attempts to right-click it revealed a “Not Responding” condition.  So I searched for a solution.  I discovered a check-list Compressor: Troubleshooting basics at  From that check-list, the fix that worked was to delete my account’s Preferences for Compressor, as follows:

  • In the Finder, go to ~/Library/Preferences
    • (where the tilde (~) represents your Home folder).
  • Remove the following files from the Preferences folder:

I discovered the checklist at, which also gave some more tips.

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