
Windows 11 January 2026 update fixes NPU battery drain and tightens Secure Boot rollout
Microsoft’s January 2026 Patch Tuesday for Windows 11 (KB5074109) is rolling out for 24H2/25H2, fixing a power issue where Neural Processing Units could stay on idle and enabling a phased rollout of new Secure Boot certificates. The update also addresses networking fixes in WSL, Azure Virtual Desktop RemoteApp issues, removes certain modem drivers, and updates WinSqlite3.dll.






