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If a missing folder or incorrect permissions prevents iTunes authorization

Posted in Apple iTunes

  • This next step involves modifying permission settings by entering commands in the Terminal application. Users unfamiliar with Terminal and UNIX-like environments should proceed with caution. The entry of incorrect commands might result in data loss or unusable system software. Improper alteration of permissions can result in reduced system security or exposure of private data. This option requires a non-blank admin password.

    If you're using Mac OS X 10.6 or later, type the command below into the Terminal window:

    sudo chmod -R 1777 /Users/Shared

    If you're using Mac OS X 10.5.8 and earlier, type the command below into the Terminal window:

    sudo chmod -R 777 /Users/Shared

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