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what is error code 42401

what is error code 42401?

MacBook Pro, OS X Mountain Lion (10.8.5)

Posted on Nov 12, 2015 8:52 AM

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6 replies

Nov 12, 2015 10:01 AM in response to soundhounds

You posted the wrong error code earlier.


Restart the computer in safe mode. Certain caches maintained by the system will be rebuilt.

Safe mode is much slower to start up than normal. The next normal startup may also be somewhat slow.

When the login screen appears, restart as usual (not in safe mode) and test. There's no need to log in while in safe mode.

Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t start in safe mode. In that case, ask for instructions.

If iTunes still doesn't work, reinstall the latest version.

what is error code 42401

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