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An unknown error occurred (-45054)

My wife's iTunes repeatedly gives "An unknown error occurred (-45054)" when she reboots her 2 month old iMac. How do I trace down this error?

OS X Mountain Lion, Home workgroup

Posted on Sep 19, 2013 5:20 PM

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Sep 19, 2013 7:31 PM in response to Howard Brazee

I'm getting the same error and I had no luck finding any information about it, even on Apple support sites. Strangely, it doesn't seem to be affecting the functionality of my iTunes. My Mac is a few years old and the only changes I've made recently were regular software updates (i.e., iTunes 11.1).

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Sep 20, 2013 2:52 AM in response to Robert Straub

Something is clearly wrong in the way iTunes 11.1 runs on my machine as well.

I am running MacOSX 10.6.8 (Snow Leopard), which is quite old now.

I tried Disk Utility. It enabled me to "Verify" the disk, but said there were no problems.

I'm also running under a "Standard" account, not an "Admin" one. Not sure if that may be relevant If the issue is to do with disk permissions.

When tried to upgrade my iPhone to iOS7, iTunes failed because it said the downloaded file was corrupted. Again, this may be related, or may be coincidence.

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Oct 15, 2013 12:26 PM in response to Kurt Kaemmerer

Go to Finder, and go into the Applications folder.

Choose the Utilities sub-folder.

Double-click on "Disk Utility.app"

Select your hard disk (usually the one at the top of the list).

You should see a button "Verify Disk Permissions" and another one "Repair Disk Permissions".

This is correct for Mac OS X Version 10.6.8. - your version might be subtly different.

Hope this helps

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An unknown error occurred (-45054)

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