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How to Fix Windows Defender Update Error 0x80070643 - Nginx 404 on API Routes: Fix Guide-Fix Microsoft Edge Profile Sync Paused

2026-06-13 13:29:53
How to Fix Windows Defender Update Error 0x80070643 - Nginx 404 on API Routes: Fix Guide-Fix Microsoft Edge Profile Sync Paused

Final checklist

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