Security News > 2023 > August > New Windows updates cause UNSUPPORTED_PROCESSOR blue screens
Microsoft says the August 2023 preview updates released this week for Windows 11 and Windows 10 systems are causing blue screens with errors mentioning an unsupported processor issue.
The updates in question are tagged as KB5029351 and KB5029331, and they come with Search app fixes and introduce a new Backup app, respectively.
The complete list of affected platforms includes Windows 10 21H2/22H2 and Windows 11 22H2. "Microsoft has received reports of an issue in which users are receiving an"UNSUPPORTED PROCESSOR" error message on a blue screen after installing updates released on August 2," Redmond said.
The company also added that the problematic cumulative updates "Might automatically uninstall to allow Windows to start up as expected."
This week, Microsoft also introduces a new Windows 11 policy providing administrators with better control over how monthly non-security preview updates are delivered on enterprise devices.
Windows 11 KB5029351 preview update released with Search fixes.