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Fix Windows Defender Service Missing After Antivirus Uninstall - How to Fix 502 Bad Gateway in Windows Search-Diagnose and Resolve PowerShell Startup Errors

2026-06-13 18:28:44developer-tools
Fix Windows Defender Service Missing After Antivirus Uninstall - How to Fix 502 Bad Gateway in Windows Search-Diagnose and Resolve PowerShell Startup Errors

Final checklist

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