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Repairing Disk Permissions on Mac

I'm having trouble running Steam or playing my games, what can I do to fix it?

Often, disk permissions become inconsistent over time. Some of these problems have a negative impact on Steam. If Steam does not start, or games do not launch, please try this first:

  • Click on Applications > Utilities > Disk Utility
  • Click on the First Aid tab
  • Let the repair process finish and then restart Steam to see if this corrects the problem
For older versions of OSX:
  • Click on Applications > Utilities > Disk Utility
  • Select your System Disk
  • Click on the First Aid tab
  • Click on Repair Disk Permissions
  • Let the repair process finish and then restart Steam to see if this corrects the problem

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