Blue Screen of Death when Hyper-V enabled

Windows 11 May 26, 2022

Recently I had an issue where every time I enabled Hyper-V on my laptop, either in Windows 10 or Windows 11 I'd get a Blue Screen of Death (BSOD) error message.

The BSOD was telling me:


What failed: RtsPer.sys

After trying a few things I finally found the fix, thanks to some really helpful folk on a forum. 😊

The fix

The fix for me, was to enter into my BIOS.

Then go into Setup -> Security -> Virtualization.

And disable "Enhanced Windows Biometric Security".


I haven't figured out why this happens and it seems to be an issue for Lenovo laptops, but it fixed my issue and I am happy! 😊

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