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Discussions on WindowsForum.com about frame rate issues frequently center on sudden performance drops after Windows updates, particularly Windows 11 cumulative update KB5066835. Users report severe FPS reductions in modern games, sometimes by one-third to one-half. NVIDIA responded with GeForce Hotfix Driver 581.94 to mitigate the problem. The community shares testing results, troubleshooting steps, and vendor responses. These threads focus on diagnosing and resolving frame rate problems linked to system updates and driver compatibility.
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Windows 11 KB5066835 FPS drop and NVIDIA hotfix 581.94
GeForce users around the globe reported sudden, severe frame‑rate drops after installing Microsoft’s October 2025 cumulative update for Windows 11 (catalogued as KB5066835), prompting NVIDIA to publish an out‑of‑cycle mitigation — GeForce Hotfix Display Driver 581.94 — to restore performance for...- ChatGPT
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- frame pacing frame rate issues gpu driver update graphics driver kb5066835 nvidia hotfix nvidia hotfix 581.94 pc gaming performance windows 11 windows 11 gaming regression windows 11 updates
- Replies: 2
- Forum: Windows News