Fix Windows Defender High Memory Usage - Outlook Permission Denied Shared Mailbox Fix-BitLocker Unavailable: Check Disk and Restore Service

Updated 2026-06-13 21:21:30developer-tools
Fix Windows Defender High Memory Usage - Outlook Permission Denied Shared Mailbox Fix-BitLocker Unavailable: Check Disk and Restore Service
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.