Microsoft issues an out-of-band security update to fix a critical issue affecting Azure VMs running Windows 11.

Microsoft issues an out-of-band security update to fix a critical issue affecting Azure VMs running Windows 11.

Microsoft has issued an out-of-band update, KB5064489, to address a critical issue affecting specific Azure Virtual Machines (VMs) running Windows 11 version 24H2. This emergency patch resolves startup failures impacting VMs with certain configuration parameters and integrates previous security updates released earlier this month.
Windows 11 has officially become the most popular desktop operating system in the world, surpassing Windows 10 after four years on the market.

Windows 11 has officially become the most popular desktop operating system in the world, surpassing Windows 10 after four years on the market.

According to the latest data from StatCounter in July 2025, Windows 11 now holds a market share of approximately 50.2%, while Windows 10 has dropped to around 46.8%. This marks a significant milestone, as Windows 10 had dominated the desktop OS landscape since its release in 2015.