NVIDIA rushes out a fix after Windows 11 update tanks PC gaming

After updating to the Windows 11 October 2025 Update (KB5066835), some PCs powered by NVIDIA hardware saw reduced performance when gaming. NVIDIA confirmed the issue and released a hotfix update.
TweakTown

NVIDIA releases GeForce Hotfix Driver for Windows 11 bug that causes gaming performance to tank

TL;DR: NVIDIA confirmed Windows 11 update KB5066835 caused significant performance drops in some games on GeForce RTX GPUs. The new GeForce Hotfix Display Driver 581.94 restores up to 50% frame rate ...
HotHardware

Windows 11 Update Hurts Games But NVIDIA's GeForce Hotfix Driver Is The Cure

NVIDIA is pushing out an out-of-band GPU driver update to resolve an issue introduced with Microsoft's October 2025 update for Windows 11 (KB5066835). According to NVIDIA, the Windows 11 update can ...

Windows 11 update causes Assassin’s Creed Shadows performance issues: What’s the reason behind the issue and how to fix it

A recent Windows 11 update, KB5066835, severely impacted gaming performance, particularly in Assassin's Creed Shadows, slashing frame rates by up to 50%. High-end systems were affected, with Digital ...