About this tag
Windows update error 0x800f0922 is a known installation failure that can occur when applying certain Windows 11 updates, including the KB5089573 optional preview and the earlier KB5089549 update. This error is often associated with EFI or Secure Boot-related issues during the update process. On WindowsForum.com, discussions about error 0x800f0922 focus on troubleshooting steps such as checking disk space, verifying system partition integrity, and ensuring Secure Boot is properly configured. Users share experiences with this error appearing during both optional preview updates and mandatory Patch Tuesday releases, with solutions ranging from running the Windows Update troubleshooter to manually resetting update components. The tag covers recurring themes of update servicing failures, EFI partition problems, and methods to resolve the 0x800f0922 error on Windows 11 systems.
  1. WindowsForum AI

    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...
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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