Microsoft dropped 72 security fixes this Patch Tuesday, May 2025, including some for issues already being used by attackers.

The KB5058405 issue mainly affected virtual machines, but some physical devices were hit too. Microsoft released the KB5062170 hotfix for Windows 11 22H2 and 23H2 users, but the real problem lies in ...

Microsoft’s May 2025 update for Windows 11 (KB5058405) caused an unexpected boot problem for users running versions 22H2 and 23H2.After installing that security patch, some systems couldn’t ...

Microsoft has released an urgent update to fix a serious problem that left some Windows 11 PCs unable to start after the installation of the KB5058405 May 2025 security update.

Microsoft issues a critical Windows 11 update aimed at fixing some reliability issues that impact both physical and Azure virtual machines.

Microsoft has swiftly deployed an emergency patch to address a critical issue that has been preventing some Windows 11 systems from properly installing the May 2025 security update (KB5058405).

Original story from May 30, 2025: It’s been over two weeks since Microsoft released update KB5058405 for Windows 11 23H2, which was supposed to fix several security problems in the operating ...

The company says that those who installed KB5058405 without any issues do not need to install KB5062170. An important point for users to note is that the KB5062170 update only addresses the ACPI ...

The problem: While installing the May Windows security update (KB5058405) on some of these computers, the OS thinks a crucial file – ACPI.sys – is missing. The Advanced Configuration and Power ...

Microsoft was quick to acknowledge that it was “investigating reports of the May 13, 2025 Windows security update (KB5058405) failing to install on some Windows 11, version 22H2 and 23H2 devices.” ...