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Microsoft Store Authentication Failed After Update: Fixes - Fix SearchIndexer.exe Version Mismatch on Windows 10-Fix Windows Security Won't Turn On Real-Time Protection

2026-06-13 16:06:26developer-tools
Microsoft Store Authentication Failed After Update: Fixes - Fix SearchIndexer.exe Version Mismatch on Windows 10-Fix Windows Security Won't Turn On Real-Time Protection

Final checklist

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