Secure Boot causing boot failures? Don’t give up just yet

Secure Boot has been used in PCs since 2011, but in recent years there have been reports of various issues with the feature.
Windows Latest

Windows 11’s Secure Boot 2023 updates are failing across some PCs, exposing a wider firmware problem

Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.

How to check your Windows PC for expiring security certificates - a big one is ending soon

How to check your Windows PC for expiring security certificates - a big one is ending soon ...
Ars Technica

Microsoft sounds the alarm about Secure Boot certificates expiring later this year

So... my Asus mobo (ROG Strix Z390-E Gaming) is from 2018, and while the code Andrew provided for PowerShell shows I'm OK for the new cert, I get "False" for Default ...