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How to Fix Cloudflare 521 Error Due to Proxy Issues - How to Restore Missing Taskbar Icons on a Second Display-Windows Update Service Not Starting After SFC Scan Fix

2026-07-28 13:57:33windows-fixes
How to Fix Cloudflare 521 Error Due to Proxy Issues - How to Restore Missing Taskbar Icons on a Second Display-Windows Update Service Not Starting After SFC Scan Fix

Final checklist

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

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