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Fix PowerShell Invoke-WebRequest Network Errors Behind a Proxy - How to Troubleshoot Windows Security Log 4625 Errors-PowerShell 502 Bad Gateway Fix for Windows Update

Updated 2026-06-16 06:08:16windows-fixes
Fix PowerShell Invoke-WebRequest Network Errors Behind a Proxy - How to Troubleshoot Windows Security Log 4625 Errors-PowerShell 502 Bad Gateway Fix for Windows Update
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.