What is error 0xE8000015 on iTunes?

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Tags

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2. #other
3. #computer
4. #error
5. #itunes
6. #device
7. #recognized
8. #apple
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12. #indicates
13. #always
14. #could
15. #connect
16. #connected
17. #complete
18. #notification
19. #0xe8000015
20. #according