Windows Security Not Opening? Here's How to Fix It - How to Fix Outlook Error 0x80040154-Fix Microsoft Store Module Not Found After Update

Updated 2026-06-15 20:53:16macos-help
Windows Security Not Opening? Here's How to Fix It - How to Fix Outlook Error 0x80040154-Fix Microsoft Store Module Not Found After Update
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.