After trying the many ways to fix this listed by Microsoft, I found one that worked

[JamieL22]

Link to fix for the KB defender update issue

https://answers.microsoft.com/en-us/protect/forum/all/protection-definition-update-failed-error-code/5e0c085c-b5fb-4ef5-ba9e-75437139f261?page=2

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Document Details

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• ID: 886426b5-8548-1cfc-ccd2-fd03e549c967
• Version Independent ID: 599aea76-47e4-dccc-799c-2d8acf549546
• Content: Windows Update - Additional resources - Windows Deployment
• Content Source: windows/deployment/update/windows-update-resources.md
• Product: w10
• Technology: windows
• GitHub Login: @aczechowski
• Microsoft Alias: aaroncz