Microsoft is warning Windows computer users. According to the publisher, the April updates are likely to cause a blue screen of death on some PCs. Only computers that have installed the 24H2 version of Windows 11 are affected by the bug. Publicly available since last October, the 24H2 update of Windows 11 is mandatory on all compatible configurations, despite the numerous bugs reported by users.
A critical error in the secure kernel
These are the updates cumulative updates deployed since March 2025 that risk paralyzing computers, Microsoft says. After "installing this update and restarting your device, you may encounter error code 0x18B indicating a SECURE_KERNEL_ERROR", the American company reports on its official website. This is a critical error in the Windows secure kernel, which occurs in relatively rare conditions.
Microsoft reacts urgently
For the moment, Microsoft has not yet deployed a patch. If you haven't installed the latest Windows updates yet, we recommend you wait a little longer. While waiting for a patch, Microsoft plans to use a special feature called Known Issue Rollback. This allows Microsoft to roll back only the buggy part of a recent Windows update, without requiring the user to install anything. In practice, computers connected to the Internet users are receiving a small Windows update that disables the faulty part of the code. It is believed that many PCs have been paralyzed by the recent updates, which is why Microsoft has decided to roll out a temporary solution. The patch is being rolled out to all personal and business computers not managed by a company's IT department within the next 24 hours. To apply it as quickly as possible, Microsoft recommends restarting your computer.
Source: Bleeping Computer
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