KB5064489: Overview with user sentiment and feedback
Last Updated September 30, 2025
Probability of successful installation and continued operation of the machine
Overview
The KB5064489 update, scheduled for release on July 13, 2025, is an out-of-band (OOB) update for Windows 11 version 24H2 and Windows Server 2025. This update includes quality improvements and security fixes from the July 8, 2025, security update (KB5062553). It also addresses a specific issue that prevented some Azure virtual machines from starting when Virtualization-Based Security (VBS) was enabled.
General Purpose
The primary purpose of KB5064489 is to fix a secure kernel initialization issue that was preventing certain Azure virtual machines from launching when Virtualization-Based Security (VBS) was enabled and Trusted Launch was disabled. Additionally, it includes improvements to the servicing stack and cumulative updates for AI components, although the latter is only applicable to Windows Copilot+ PCs.
General Sentiment
The general sentiment towards KB5064489 is positive due to its focus on critical fixes and improvements. Microsoft has not reported any known issues with this update, which contributes to a favorable outlook. However, users running affected Azure VMs should be particularly attentive to the specific fixes included in this update.
Known Issues
Microsoft is not currently aware of any issues with this update.
Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2025-09-30 01:58 AM
