Windows 11 Update KB5074109 Critical Security Fixes and Major Bugs for AVD and Gaming
Technetbook • • technology
Key Points:
- Windows 11 update KB5074109, released in January 2026, addresses 114 security vulnerabilities and improves battery life for laptops with Neural Processing Units by fixing an idle-state power drain issue.
- The update enhances usability with File Explorer upgrades, including a "Recommended" section and expanded QR code sharing for websites, cloud files, and mobile hotspots, alongside Start Menu improvements like a new account manager and drag-and-drop app functionality.
- Critical bugs have emerged, notably a fatal Azure Virtual Desktop authentication failure (error 0x8008005) that disrupts professional workflows, a significant drop in gaming performance (especially on NVIDIA GPUs), and a USB formatting issue affecting FAT32 drives.
- General users focused on security are encouraged
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