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Fix Windows Search SSL Certificate Error After Update - Windows Defender Update Fails with 0x80240016-RDP Authentication Error Troubleshooting

Updated 2026-06-13 20:46:54developer-tools
Fix Windows Search SSL Certificate Error After Update - Windows Defender Update Fails with 0x80240016-RDP Authentication Error Troubleshooting
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.