Microsoft is investigating a bug affecting Windows 11 22H2 and 23H2 that can prevent PCs from booting.The bug in the May update is believed to cause a 'recovery error 0xc0000098 in ACPI.sys.'Windows 11 Home users are less likely to be impacted, but the risk remains.The bug requires a repair to be run on the system, and its success is uncertain.Affected devices are primarily virtual machines, not physical Windows 11 PCs.Microsoft advises caution, suggesting delaying the May update installation until the issue is resolved.It is possible to pause OS updates for over a month to allow for investigation and potential fix implementation.Microsoft acknowledges the recent bugs in updates, including unpleasant issues for Windows 10 users.Despite a low chance of encountering the error, users are urged to be cautious due to the potential difficulties in recovery.Microsoft's ongoing bug troubles highlight the importance of being vigilant with updates.