AMD's just-launched Ryzen 9000 CPUs, as well as some older Ryzen CPUs, are being affected by a Windows user account bug that means the chips are running slower in games than they should, depending on the type of user account you're using. The AMD Ryzen Windows bug is holding back performance by an average of 4% on the latest Zen 5 Ryzen 9700X, but a fix is on the way, and there are some workarounds for the issue. The new AMD CPU bug affects what are still otherwise some of the best gaming CPUs you can buy but has been enough to dampen the performance - and thus the reception of - AMD's newest chips. Continue reading AMD Ryzen CPU gaming performance hit by Windows bug, but there’s a fix MORE FROM PCGAMESN: Ryzen 7 7800X3D review, Best gaming CPU, Radeon RX 7800 XT review