Fix Task Scheduler High CPU Usage on Windows 11 - Fix Windows Defender Security Center Not Opening-Prevent BitLocker Token Expiration

Updated 2026-06-14 00:21:07windows-fixes
Fix Task Scheduler High CPU Usage on Windows 11 - Fix Windows Defender Security Center Not Opening-Prevent BitLocker Token Expiration
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.