The required folder can not be found

Question

Level 1

18 points

The required folder can not be found

I have read anything related to this with no joy. For some reason, at some point in the last 4 months, I can no longer backup my iPhone, update subscriptions (i.e. cancel them) or even update iOS in iTunes. I get errors that look like this:

This was trying to cancel a subscription for an application.

and trying to update iOS on my iPhone X:

But there is no description or remedy for 4000: https://support.apple.com/en-us/HT204770#USB

This has been and is driving me nuts - and more importantly, I need to cancel a subscription to an app!

Posted on Dec 10, 2017 4:36 PM

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Answer 1

mhackney Author

Level 1

18 points

Dec 11, 2017 5:19 AM in response to sberman

12.7.1.14

OSX 10.13.1

iOS 11.2

But this started happening on earlier versions of all of the above and earlier with my iPhone 6s.

Maybe this is an additional clue. When I start itunes, I get this dialog. I've googled it, tried the things I've found and nothing works.

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Answer 2

mhackney Author

Level 1

18 points

Dec 19, 2017 6:55 AM in response to mhackney

Still no resolution after hours of searching and rebuilding my library. At this point, my iPhoneX is worthless as a device to listen to my music collection. I'm forced to subscribe to Spotify to listen to music. My experience with Apple Music a few years ago was a complete disaster with it screwing up my local/purchased music and I don't trust going back. Is there anything I can do short of another complete system rebuild?

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Answer 3

sberman

Level 10

263,733 points

Dec 10, 2017 10:10 PM in response to mhackney

What version of iTunes might you be using?

You need iTunes 12.7 or greater to communicate to iOS 11.

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Answer 4

mhackney Author

Level 1

18 points

Dec 19, 2017 10:11 AM in response to mhackney

I just went through the arduous process of deleting iTunes and re-installing. Not an easy task with SIP but do-able. Even after this, I get the dreaded required folder cannot be found.

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