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Home / macos-help / Fix Microsoft Store Sync Issues After System Restore - Windows Defender Update Fails with 0x80070643-How to Fix Windows Search Connection Refused Error

Fix Microsoft Store Sync Issues After System Restore - Windows Defender Update Fails with 0x80070643-How to Fix Windows Search Connection Refused Error

2026-06-13 17:03:23macos-help
Fix Microsoft Store Sync Issues After System Restore - Windows Defender Update Fails with 0x80070643-How to Fix Windows Search Connection Refused Error

Final checklist

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