error code: 80070645 for definition update for Windows Defender

I need help I tried to install this update for weeks, without success. For some reason any the definition update for Windows Deffender has something in it. It keeps showing the error code 80070645. Please answer.

DJSkywalker,
Take a look at this article as it addresses the error you see.
Let us know if that helps.

Mike - Engineer Support Microsoft Answers
Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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