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Fix Windows Defender 502 Bad Gateway Sync Error - Remote Desktop Backup Restore Troubleshooting Checklist-How to Fix 'PowerShell Command Not Found' in Terminal

Updated 2026-06-13 19:32:56developer-tools
Fix Windows Defender 502 Bad Gateway Sync Error - Remote Desktop Backup Restore Troubleshooting Checklist-How to Fix 'PowerShell Command Not Found' in Terminal
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.