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Windows Update Proxy Error Checklist for IT Admins - How to Fix Defender Access Denied in Safe Mode-GitHub Actions Permissions Setup Guide

Updated 2026-06-14 14:53:54developer-tools
Windows Update Proxy Error Checklist for IT Admins - How to Fix Defender Access Denied in Safe Mode-GitHub Actions Permissions Setup Guide
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.