https://www.bleepingcomputer.com/news/microsoft/microsoft-march-windows-updates-mistakenly-uninstall-copilot/

​Microsoft says the March 2025 Windows cumulative updates automatically and mistakenly remove the AI-powered Copilot digital assistant from some Windows 10 and Windows 11 systems.

The warning was added to updated support documents days after Redmond released this month's Patch Tuesday security updates.