iTunes download error -8288

I am running iTunes 12.6.5 on High Sierra as I want to control what updates go to my i-devices. Today for the first time, I'm getting error -8288 on all i-app downloads. The download seems to complete, but when the download finishes, this error appears. BTW, an iOS system update thru iTunes worked just fine.


What I have done: Restarted iTunes; Logged out of my account and logged in again.


Any help will be greatly appreciated.

Posted on Feb 9, 2019 9:18 AM

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84 replies

Feb 11, 2019 9:00 AM in response to Frank Miller2

Same all, started this week.


I  am able to download the same apps on the same computer using iMazing.

Then I can:

delete the outdated file from iTunes Media/Mobile Applications,

copy the outdated file to the archive on my server,

empty my trash,

export the app as .ipa from iMazing into the Mobile Applications directory,

Get Info on the app in iTunes, which fails, prompting a Locate window,

and find the file exported from iMazing,

at which point the file disappears from the iTunes Update window, and I have one file updated.

Hideous process, but it does work.


Reddit users with multiple accounts on the same machine report that some work and some don't.

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iTunes download error -8288

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