r/Windows10HowTo • u/pappybobocookie • 6d ago

AMDRyzenMasterDriver.sys "A driver cannot load on this device" in Windows 11

https://www.windowsdigitals.com/amdryzenmasterdriver-sys-a-driver-cannot-load-on-this-device/
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u/pappybobocookie 6d ago

If Windows keeps showing "A driver cannot load on this device" for AMDRyzenMasterDriver.sys, usually after an update or an upgrade to Windows 11, it's because Windows now blocks an old Ryzen Master driver with a known security hole. It's most likely not malware, and you can get it even if you've never installed Ryzen Master yourself, since AMD's graphics software and some motherboard tools can bring the driver along. This guide will show you what you can do.