Error Code 42018

Question

Error Code 42018

An unknown error occurred 42018.  iPhone 11, IOS 13, MacOs 10.13.6, what is it when synching?

iPhone XS

Posted on Oct 5, 2019 7:44 AM

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Answer 1

Top-ranking reply

MrHoffman

Community+ 2024

Level 10

127,537 points

Oct 5, 2019 9:05 AM in response to Michael Bushey

Reboot both, make sure iTunes is patched to current, and try again.

If that fails, boot the Mac into Safe Mode, and try again from there. This temporarily disables add-ons, and rebuilds caches.

Here’s the general sequence: If you see an error in iTunes on your Mac or PC - Apple Support

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Answer 2

Oct 5, 2019 4:00 PM in response to Michael Bushey

One other suggestion is de-authorizing and re-authorizing the computer.

I’d also log into AppleID.Apple.Com and check the payment info, and whether there’s a new agreement to agree to.

If not that... Ring up Apple Support, then. There’s not much around on that error code.

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Answer 3

Oct 14, 2019 1:47 PM in response to Michael Bushey

This Answer solved my problem:

1. Ensure that you install all updates on your iPhone.

2. Download and install (again!) the latest version of iTunes from

<https://www.apple.com/uk/itunes/>

3. In the Finder, use the menu command Go to Folder in the Go menu to

open the folder (copy and paste this into the dialog)

/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/Current/Resources

4. Unlock your iPhone and connect it to your Mac.

5. In that open folder, double-click the item MobileDeviceUpdater, and

it should inform you of a software update. Install that, and iTunes

should then recognise your device.

Some users find that they don't need to do step 5, as macOS does that

automatically.

I wish you success,

Very best regards,

Howard.

--

Dr Howard Oakley

The Eclectic Light Company Blog - https://eclecticlight.co

@howardnoakley :: Genius Tips, MacFormat http://macformat.com

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Answer 4

Oct 5, 2019 2:06 PM in response to MrHoffman

Thank you, I did both suggestions, still get that error code. I would upgrade from High Sierra but my current MacBook Pro is at the end of the line for system software. Thank you for the advice, most appreciated.

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Answer 5

Oct 6, 2019 6:56 PM in response to MrHoffman

Thank you, none of that worked but I am respectful of your thoughts and time.

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Answer 6

BDAqua

Level 10

245,621 points

Oct 14, 2019 1:54 PM in response to Michael Bushey

Great find & tip, thanks. :)

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Error Code 42018

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