4 verified briefings on Windows 11. Each story includes a plain-English summary, why it matters, and the concrete action engineering teams should take.
Microsoft's May security update for Windows 11 is failing for some users, leaving their systems unprotected. The installation fails and rolls back when the device's boot partition has insufficient free space. The issue occurs during the reboot phase, leaving dozens of security patches uninstalled.
Microsoft has officially acknowledged that the May 2026 Windows 11 security update, KB5089549, is failing to install on some devices. Affected users are reporting an error code 0x800f0922, which prevents the update from completing. The company is currently investigating the issue.
Microsoft's May Security Update for Windows 11 is failing to install on some devices. The issue is caused by insufficient free space on the EFI System Partition. This leaves affected systems vulnerable, as they do not receive the dozens of security patches included in the update.
Microsoft is testing a resizable taskbar and Start menu in a new Windows 11 preview build for Insiders. This update, available in the Experimental channel, brings back a popular customization feature from previous Windows versions, allowing users to adjust core UI elements.