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Home / developer-tools / Fix Windows Defender Service Not Starting (Error 404) - Fix pip SSL Certificate Verify Failed on macOS-Fix Windows Security Network Error 0x800704cf

Fix Windows Defender Service Not Starting (Error 404) - Fix pip SSL Certificate Verify Failed on macOS-Fix Windows Security Network Error 0x800704cf

2026-06-13 16:51:20developer-tools
Fix Windows Defender Service Not Starting (Error 404) - Fix pip SSL Certificate Verify Failed on macOS-Fix Windows Security Network Error 0x800704cf

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.