kb5089549

Microsoft’s May 12, 2026 cumulative update KB5089549 for Windows 11 versions 24H2 and 25H2 fixes taskbar freezes, blank desktop delays, and explorer.exe reliability problems, but Microsoft has also confirmed that the same update can fail to install on some PCs with error 0x800f0922. That...

Microsoft’s May 12, 2026 cumulative update KB5089549 for Windows 11 versions 24H2 and 25H2 fixes taskbar freezes, blank desktop delays, and explorer.exe reliability problems, but Microsoft has also confirmed that the same update can fail to install on some PCs with error 0x800f0922. That is the...

Microsoft’s May 12, 2026 cumulative update for Windows 11 versions 24H2 and 25H2, KB5089549, includes reliability fixes for explorer.exe problems that could freeze the taskbar after sign-in, break desktop right-click behavior, stall Task View, and interfere with unpinning items from File...

Microsoft’s May 12, 2026 Patch Tuesday release shipped Windows 11 cumulative update KB5089549 for versions 24H2 and 25H2, alongside fixes for 137 Microsoft-tracked vulnerabilities across Windows, Office, Azure, SharePoint, Dynamics 365, and related services. The Daily Express is right about the...

Microsoft confirmed on May 15, 2026, that Windows 11 security update KB5089549 can fail to install on version 24H2 and 25H2 systems when the EFI System Partition has 10 MB or less of free space. The visible error is usually 0x800f0922, but the real story is less about one bad patch than about...

Microsoft acknowledged on May 15, 2026 that Windows 11 security update KB5089549, released for versions 24H2 and 25H2, can fail during installation with error 0x800f0922 on devices whose EFI System Partition has very little free space. That detail matters because this is not just another vague...

Microsoft’s May 12, 2026 Windows 11 cumulative update KB5089549 adds a new C:\Windows\SecureBoot folder on eligible PCs, packaging sample PowerShell automation for the Secure Boot certificate migration that organizations must complete before older 2011-era trust certificates begin expiring in...

Microsoft has confirmed that the new C:\Windows\SecureBoot folder appearing after Windows 11’s May 2026 cumulative update, KB5089549, is expected behavior, not a bug, and exists to support the ongoing rollout of replacement Secure Boot certificates before older 2011-era certificates expire this...

Microsoft’s May 12, 2026 Windows 11 security update KB5089549 fixes a BitLocker recovery problem caused by April boot-file changes, but Microsoft added a May 15 warning that some PCs with cramped EFI System Partitions may fail installation with error 0x800f0922. That is the most Windows update...

Microsoft confirmed on May 15, 2026, that Windows 11’s May security update KB5089549 can fail during installation on versions 24H2 and 25H2 when the EFI System Partition has too little free space, and it is mitigating the problem through Known Issue Rollback. That dry summary hides a more...

Microsoft’s May 12, 2026 cumulative update for Windows 11, KB5089549, is reportedly failing to install on some Windows 11 24H2 and 25H2 systems, while a smaller set of users says the same patch has reduced internet performance after installation. The important word is reportedly, because...

Microsoft’s Media Creation Tool is now serving Windows 11 installation media that includes the May 12, 2026 cumulative update KB5089549, letting users create USB installers for Windows 11 25H2 build 26200.8457 and 24H2 build 26100.8457 without first installing an older image and then patching...

Microsoft’s official Windows 11 Media Creation Tool is now serving installation media that includes the May 12, 2026 cumulative update KB5089549, bringing clean USB installs for Windows 11 version 25H2 to build 26200.8457 and version 24H2 to build 26100.8457. That sounds like housekeeping, but...

Microsoft’s May 12, 2026 Windows 11 update KB5089549 fixes a BitLocker recovery prompt bug for Windows 11 24H2 and 25H2 systems, after April’s security update could send certain enterprise-managed encrypted devices into recovery on first restart. The fix matters because BitLocker failures are...

Microsoft’s May 2026 cumulative update for Windows 11, KB5089549, resolves a BitLocker recovery bug that could force some PCs to request a 48-digit recovery key after installing monthly updates. The fix matters less because the bug was widespread than because the failure mode was uniquely...

Microsoft fixed a Windows 11 BitLocker recovery bug on May 12, 2026, after April’s security updates caused some managed PCs to ask for recovery keys at first reboot when they used a specific, discouraged TPM validation Group Policy configuration. The narrowness of the bug is the point, not an...

Microsoft released KB5089549 for Windows 11 versions 24H2 and 25H2 on May 12, 2026, bringing systems to OS builds 26100.8457 and 26200.8457, while early user reports now claim the update is failing to install or degrading network performance on some PCs. The evidence so far is messy, narrow, and...

Microsoft released KB5089549 on May 12, 2026, for Windows 11 versions 24H2 and 25H2, moving systems to OS builds 26100.8457 and 26200.8457 while folding in security fixes, April’s optional preview improvements, and a controlled rollout of Xbox mode. The patch is being sold in consumer coverage...

On May 12, 2026, Microsoft released KB5089549 for Windows 11 versions 25H2 and 24H2, raising them to builds 26200.8457 and 26100.8457, while KB5089548 updates Windows 11 version 26H1 to build 28000.2113. The notable part is not that Patch Tuesday arrived; it always does. The notable part is that...

Microsoft released KB5089549 on May 12, 2026, as the monthly cumulative security update for Windows 11 versions 25H2 and 24H2, moving systems to OS builds 26200.8457 and 26100.8457 while bundling security fixes, servicing-stack changes, and selected reliability improvements. The update looks...