Security Intelligence Update for Defender Failing Windows 8.1

[{SusieQ}]

My Windows Update is failing (Error 80070241) continuously.The update is Security Intelligence Update for Microsoft Defender Antivirus - KB2267602 (Version 1.343.568.0) Download size: 102.9 MB Update type: Important Install this update to revise the files that are used to detect viruses, spyware, and other potentially unwanted software. Once you have installed this item, it cannot be removed. More information: Latest security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware - Microsoft Security Intelligence Help and Support: Back on the rise am running Norton 360 and I suspect there is a conflict. Any ideas

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