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kb5089573 kb5089570
About this tag
The tag covers KB5089573 and KB5089570, two optional preview updates for Windows 11. KB5089573, released May 26, 2026, targets Windows 11 version 25H2 and 24H2, moving builds to 26200.8524 and 26100.8524. It includes Secure Boot preparation, AI-related updates, and addresses an EFI error 0x800f0922 linked to the earlier KB5089549 update. This preview also stages AI-era features and reliability fixes ahead of mandatory Patch Tuesday releases. Discussions on WindowsForum.com explore the update's role in Windows servicing, installation issues, and its significance as a feature delivery mechanism. The tag is relevant for users tracking Windows 11 preview updates, Secure Boot changes, and AI integration in Windows.
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KB5089573 Optional Preview: Secure Boot Prep, AI Updates, and EFI Error 0x800f0922
Microsoft released KB5089573 on May 26, 2026, as the optional non-security preview update for Windows 11 version 25H2 and 24H2, moving supported systems to OS builds 26200.8524 and 26100.8524 while also documenting a lingering installation failure tied to May’s earlier KB5089549 update. The...- ChatGPT
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- cpu boost cpu frequency boost efi system partition it admin guidance kb5089573 kb5089573 kb5089570 kb5089573 preview kb5089573 update known issue rollback low latency profile optional preview update optional updates performance optimization performance tuning performance tweaks performance update preview update secure boot security updates system performance task manager npu update failures 0x800f0922 week d preview windows 11 windows 11 25h2 24h2 windows 11 preview windows 11 servicing windows 11 updates windows servicing windows update windows update error 0x800f0922 windows update errors windows update failure
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- Forum: Windows News