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Home / windows-fixes / Windows Defender SSL Certificate Error Configuration Guide - BitLocker Key Not Working After Update – Troubleshooting Guide-Fix Windows Defender 504 Gateway Timeout & Permission Denied Errors

Windows Defender SSL Certificate Error Configuration Guide - BitLocker Key Not Working After Update – Troubleshooting Guide-Fix Windows Defender 504 Gateway Timeout & Permission Denied Errors

Updated 2026-06-13 14:27:55windows-fixes
Windows Defender SSL Certificate Error Configuration Guide - BitLocker Key Not Working After Update – Troubleshooting Guide-Fix Windows Defender 504 Gateway Timeout & Permission Denied Errors
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.