US EditionMicrosoft Issues New Emergency Update For Windows Users
- Microsoft released the Windows 11 security update KB5058405 on May 13, 2025, affecting versions 22H2 and 23H2 globally.
- This update caused critical boot failures primarily in virtual environments like Azure VMs, amid reports of error code 0xc0000098 related to ACPI.sys.
- The ACPI.sys driver manages hardware and power states, and corrupted or missing files during update installation halted startups on affected devices.
- Microsoft acknowledged the issue, described the affected devices as small in number, and released the out-of-band update KB5062170 to resolve the ACPI.sys error.
- This incident highlights update challenges in enterprise virtual setups and prompts users to monitor official channels, back up data, and defer the update if possible.
12 Articles
12 Articles
Windows 11 won't start after update? Microsoft has released a planned update that fixes a critical bug in the May security update. The bug mainly affects virtualized environments and leads to system shutdowns. (Read more)
Updating Windows 11 to 24H2 has proven to be a rather unpleasant experience for many users. Games have started to freeze, the mouse pointer has lagged, and the computer has even been known to give them a blue screen of death – and it’s not Nvidia’s fault, as many people assumed. Fortunately, Microsoft has released the KB5058499 patch, which fixes the worst of the issues. Although this update is optional for now, it’s worth considering installing…
Windows 11 Update KB5058405 Triggers Boot Failures
The latest Windows 11 update, identified as KB5058405, has sparked significant concern among IT professionals and system administrators due to a critical bug that can render systems unbootable. Released as part of Microsoft’s May 2025 Patch Tuesday, this cumulative update was intended to address security vulnerabilities and enhance system stability for Windows 11 versions 22H2 and 23H2. However, reports have surfaced indicating that some devices…
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