MSI addresses the UNSUPPORTED_PROCESSOR issue after Windows 11 Update KB5029351

MSI has recently reached out to the media after multiple users have a complaint about the Blue Screen of Death that has an error message that reads “UNSUPPORTED_PROCESSOR” with its 600/700 series motherboards after installing the Windows 11 update, KB5029351 Preview.

MSI: On “UNSUPPORTED_PROCESSOR” Error Message of Windows 11 Update KB5029351 Preview

MSI and Microsoft are aware of an issue that is causing some users to receive a “UNSUPPORTED_PROCESSOR” error message after installing the Windows 11 KB5029351 Preview update. The OEM is currently investigating the root cause of this issue.

In the meantime, we recommend that all users temporarily refrain from installing the KB5029351 Preview update. The company also promises to keep you updated on the progress of its investigation.

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Temporary Workaround

If you have already encountered this issue, KB5029351 might automatically be uninstalled to allow Windows to restore to normal. However, if KB5029351 is not automatically uninstalled, we recommend reverting your BIOS to the previous version and uninstalling KB5029351 from Windows.

If you are unsure of how to restore to restore to older BIOS, this video link will help you on how to flash BIOS on MSI motherboards. 

More information on KB5029351

Windows Message Center: https://learn.microsoft.com/en-us/windows/release-health/status-windows-11-22h2#3149msgdesc

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