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Home / macos-help / Fix Cloudflare Error 521 on Apache Server - Event ID: Port Already Allocated for Windows Search-How to Clear PowerShell Module Analysis Cache

Fix Cloudflare Error 521 on Apache Server - Event ID: Port Already Allocated for Windows Search-How to Clear PowerShell Module Analysis Cache

2026-06-13 17:32:12macos-help
Fix Cloudflare Error 521 on Apache Server - Event ID: Port Already Allocated for Windows Search-How to Clear PowerShell Module Analysis Cache

Final checklist

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