A recent Windows 11 security update is causing unexpected issues for enterprise customers, including the unintentional removal of Microsoft’s Copilot AI assistant from affected systems, creating potential workflow disruptions for organizations that have integrated the AI tool into their operations.

Microsoft released the KB5053598 update for Windows 11, bringing the OS build number to 26100.3476 and introducing the usual batch of changes and

To put Copilot back on the Taskbar, click the Start button and look for Copilot in the Start menu or All screen. Right-click its shortcut, move to the More menu, and click Pin to Taskbar. You can then launch and use Copilot as you normally would.