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Home / office-tools / Fix BitLocker Update Error 0x8031004f on Windows - Windows Defender Full Scan Hangs at 99% – Fix-Fix Task Scheduler 502 Bad Gateway Error: Step-by-Step Guide

Fix BitLocker Update Error 0x8031004f on Windows - Windows Defender Full Scan Hangs at 99% – Fix-Fix Task Scheduler 502 Bad Gateway Error: Step-by-Step Guide

Updated 2026-06-13 22:30:17office-tools
Fix BitLocker Update Error 0x8031004f on Windows - Windows Defender Full Scan Hangs at 99% – Fix-Fix Task Scheduler 502 Bad Gateway Error: Step-by-Step 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.