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Fix Windows Defender Update Error 0x80240016 - How to Fix BitLocker Error 0x8031004a with Optimal Settings-Task Scheduler Auto Start Not Working Service Fix

2026-06-13 20:36:01
Fix Windows Defender Update Error 0x80240016 - How to Fix BitLocker Error 0x8031004a with Optimal Settings-Task Scheduler Auto Start Not Working Service Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.