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Fix Microsoft Store Authentication Fails Due to Proxy - VS Code Extension Host Crash at Startup Fix-Reset Windows Defender Cache Using CMD or PowerShell

2026-06-13 18:52:03developer-tools
Fix Microsoft Store Authentication Fails Due to Proxy - VS Code Extension Host Crash at Startup Fix-Reset Windows Defender Cache Using CMD or PowerShell

Final checklist

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