Fix Chrome Not Opening on Startup in Windows 11 - Outlook 0x80040154 Fix: Class Not Registered-Windows Security White Screen Fix

Updated 2026-06-14 22:46:44backup-recovery
Fix Chrome Not Opening on Startup in Windows 11 - Outlook 0x80040154 Fix: Class Not Registered-Windows Security White Screen Fix
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.