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Fix Windows Update SSL Certificate Errors: Practical Steps - How to Fix Windows Defender Disabled by Group Policy-BitLocker 502 Bad Gateway Troubleshooting Guide

Updated 2026-06-17 08:43:09developer-tools
Fix Windows Update SSL Certificate Errors: Practical Steps - How to Fix Windows Defender Disabled by Group Policy-BitLocker 502 Bad Gateway Troubleshooting Guide
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.