icloud Authentication in Windows11

Receive the following error message when trying to sign in to icloud for windows app on Windows 11. "An error has occurred during authentication. Please try again." Any solution? Bing also blockes "icloud.com".

Windows, Windows 10

Posted on Oct 12, 2023 10:14 AM

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Posted on Oct 12, 2023 12:47 PM

Do you have Intel Killer Performance Suite? If so, disable the prioritisation engine within its settings. This is the cause of the problem since a new update introduced a bug back in August.


There is a new update to the Intel Killer app on 10 October. This may address the bug so giving that a go could also help.

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icloud Authentication in Windows11

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