Tag Archives: error 0xc0000409

Windows 10 V1809: Issue with Windows Defender ATP fixed

Posted on 2019-11-21 by guenni

[German]A little supplement to the November 2019-Patchday. Microsoft has fixed the problem caused by an October update with the Windows Defender ATP error 0xc0000409 under Windows 10 version 1809 with a cumulative update from November 2019.

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