Here’s a summary and important insights on the recent Windows 11 hotfix for the system-crashing issue (error code 0xc0000098):
Let me know if you need step-by-step recovery instructions or download links!
Source: PCWorld Microsoft releases Windows 11 hotfix for PCs crashing with code 0xc0000098
What Happened?
- In May 2025, Microsoft released update KB5058405 for Windows 11 23H2 and 22H2.
- This update intended to fix security issues but instead caused some PCs—especially virtual machines (Azure, Hyper-V, Citrix)—to fail to boot, showing error code 0xc0000098, often referencing the ACPI.sys file.
Who is Affected?
- Primarily enterprise/IT environments running VMs (Azure, Virtual Desktop, on-prem Citrix/Hyper-V).
- Home users are rarely impacted.
What Did Microsoft Do?
- Microsoft released emergency out-of-band update KB5062170 as a hotfix.
- This patch is aimed at systems broken by KB5058405 with the 0xc0000098 error.
- If KB5058405 is installed and you’re not experiencing problems, don’t install KB5062170.
How to Get the Hotfix?
- KB5062170 is not delivered automatically: you must manually download it from the Microsoft Update Catalog.
What Is the Nature of the Error?
- Error: “Your PC/Device needs to be repaired. The operating system couldn’t be loaded because a required file is missing or contains errors. File: ACPI.sys Error code: 0xc0000098.”
- Sometimes, it may reference another file.
References & Details
- Official discussion and support threads confirm the details, nature, and scope of the problem, including the emergency patch and recovery steps.
- More details and insights can be found in the referenced thread: Windows 11 May 2025 Update Fails: How to Fix the System Boot Error (ACPI.sys 0xc0000098) and Windows Forums for community/customer input.
Let me know if you need step-by-step recovery instructions or download links!
Source: PCWorld Microsoft releases Windows 11 hotfix for PCs crashing with code 0xc0000098
