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Fix Microsoft Store High Memory Usage & Error 0x80073cf0 - How to Stop Windows Defender from Turning Off-Troubleshoot Windows Security Offline Install Errors

Updated 2026-06-13 20:13:33developer-tools
Fix Microsoft Store High Memory Usage & Error 0x80073cf0 - How to Stop Windows Defender from Turning Off-Troubleshoot Windows Security Offline Install Errors
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.