Fix Outlook Module Not Found Error 0x80040154 - Fix Command Prompt Closing Immediately on Windows 10/11-Chrome 504 Error Troubleshooting Guide

Updated 2026-06-18 09:20:25browser-issues
Fix Outlook Module Not Found Error 0x80040154 - Fix Command Prompt Closing Immediately on Windows 10/11-Chrome 504 Error Troubleshooting Guide
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.