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How to Clear Windows Update Cache in Windows 10 - Fix Microsoft Store Offline Installer Setup Configuration Failed-Windows Defender 404 Error on Windows 10 – How to Fix

Updated 2026-06-13 14:33:53office-tools
How to Clear Windows Update Cache in Windows 10 - Fix Microsoft Store Offline Installer Setup Configuration Failed-Windows Defender 404 Error on Windows 10 – How to Fix
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.