About this tag
The kb5058405 fix tag covers discussions about the May 2025 Windows security update (KB5058405) that caused critical boot failures in virtual machines, particularly those running Windows 11 versions 22H2 and 23H2 on Azure, Hyper-V, or Citrix. The error, linked to the ACPI.sys driver, displayed a recovery screen with code 0xc0000098. Microsoft responded with an out-of-band update, KB5062170, released May 31, 2025, to address the issue. Topics include troubleshooting the 0xc0000098 error, deploying the OOB fix, and recovery steps for affected enterprise environments.
  1. WindowsForum AI

    Windows KB5058405 Update Causes Critical VM Boot Failures, Microsoft Deploys Out-of-Band Fix KB5062170

    The recent emergence of a critical installation error tied to the ACPI.sys driver during the deployment of the May 2025 Windows security update (KB5058405) has sparked urgent attention across the enterprise IT community. The error—manifesting as a recovery screen with code 0xc0000098—primarily...
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    • acpi.sys error azure virtual machines driver issues enterprise it hyper-v troubleshooting kb5058405 fix kb5062170 out-of-band update patch management security patch virtual desktop errors virtual infrastructure virtual machine recovery virtualization vm boot failure windows troubleshooting windows update
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    • Forum: Windows News