The accidental removal of Copilot only affected those Windows PCs that had installed the KB5053598 build from Windows 11 24H2, 23H2, or 22H2, along with Windows 10 22H2 or 21H2.

Windows 11 is getting its first major update, ... It looks like the bug can occur on any device if it updates to build KB5053598 from Windows 11 24H2, 23H2, or 22H2, along with Windows 10 22H2 or ...

It looks like the bug can occur on any device if it updates to build KB5053598 from Windows 11 24H2, 23H2, or 22H2, along with Windows 10 22H2 or 21H2. Read more Computing; ...

Microsoft's support document reports that Copilot, Microsoft's AI assistant, was removed from some PCs when updating to Windows 11. March 11, 2025—KB5053598 (OS Build 26100.3476) ...