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Fix Windows Security App Not Starting on Windows 11 - Pandas read_csv Unicode Error Troubleshooting-Taskbar Icons Missing but Programs Running – Fix Guide

Updated 2026-07-28 10:01:06office-tools
Fix Windows Security App Not Starting on Windows 11 - Pandas read_csv Unicode Error Troubleshooting-Taskbar Icons Missing but Programs Running – Fix Guide
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.