Microsoft says it’s investigating reports of a Blue Screen of Death with an “UNSUPPORTED_PROCESSOR” error message that’s been cropping up on some Windows 11 PCs after installing an update released earlier this week. The latest KB5029351 update includes the usual monthly fixes, but it appears to be causing issues when used with some MSI motherboards.
“We are presently investigating to determine if this is an issue caused by Microsoft. We will provide an update when more information is available,” reads a support note on Microsoft’s Windows health center.
I’ve personally experienced this issue on a Windows 11 gaming PC, which is running an Intel Core i9-13900KS on an MSI MPG Z690 Carbon WiFi motherboard. A number of Reddit users have…