Here’s a current summary of the KB5058405 issue and Microsoft’s emergency response as confirmed by both Forbes and discussions in technical forums:
What happened?
The Windows 11 May 13, 2025, security update (KB5058405) has failed for some users, causing unbootable systems and recovery errors...
acpi.sys
azure virtual machines
boot repair
citrix systems
enterprise system fixes
error code 0xc0000098
hyper-v issues
kb5058405
microsoft emergency patch
microsoft support
out-of-band patch
systembooterrorssystem recovery
system troubleshooting
update failures
virtual machine recovery
virtualization support
windows 11
windows update problems
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