Outlook Autodiscover Not Working: Practical Fixes - Fix Windows Defender Error 0x80073b01 (Crash on Startup)-Fix OneDrive High Memory Usage on Mac M1

Updated 2026-06-14 09:18:33backup-recovery
Outlook Autodiscover Not Working: Practical Fixes - Fix Windows Defender Error 0x80073b01 (Crash on Startup)-Fix OneDrive High Memory Usage on Mac M1
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.