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Fix Windows Defender Blank Screen Error Code - PowerShell Keeps Crashing on Windows 10: How to Fix-Troubleshoot 502 Bad Gateway with Curl Commands

Updated 2026-06-14 07:16:51windows-fixes
Fix Windows Defender Blank Screen Error Code - PowerShell Keeps Crashing on Windows 10: How to Fix-Troubleshoot 502 Bad Gateway with Curl Commands
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.