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Fix Windows Update Proxy Error via Group Policy - How to Fix Slow Windows Defender Scan Speed-Fix Windows Update 502 Bad Gateway Connection Issue

Updated 2026-06-13 17:15:03developer-tools
Fix Windows Update Proxy Error via Group Policy - How to Fix Slow Windows Defender Scan Speed-Fix Windows Update 502 Bad Gateway Connection Issue
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.