A recent Windows Update, identified by the code KB5066835, has indeed caused substantial performance drops in PC games.

A few days ago, NVIDIA released a new GeForce hotfix driver, version 581.94, following reports from several gamers of lower performance in some titles. Now, Digital Foundry has looked into the issue and verified that, without the hotfix and with the aforementioned Windows Update, Ubisoft's Assassin's Creed Shadows takes a major frame rate hit. In Digital Foundry's test, the game ran between 33% and 50% worse on a PC equipped with a Ryzen 7 9800X3D CPU and an Nvidia RTX 5090 GPU after installing that Windows Update. The GeForce hotfix resolves the situation, so you should definitely install it if you are currently playing the game. Another option would be to remove th

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