We started having an error when syncing iTunes to our iPhone 6 plus: "Attempting to copy to the disk Macintosh HD failed. An unknown error occurred (-54).
- iTunesis version 220.127.116.11
What we have done so far:
- Computer Windows 10 Pro build 1511
- 'Authorized' the iTunes computer
- the iTunes folder uncheck 'Read-Only'
- assured that iTunes folder has all privileged
- ran iTunes with admin privileges
- ran cCleaner registry cleanup
Please advice on what else we can do.