Secureboot : Grub error "shim_lock protocol not found"

[vernetroyer]

That's very helpful indeed! I could not find anything about this, other than that Grub2 itself seemingly doesn't want to support SecureBoot. Ventoy seemed like the logical next thing to try, but doesn't work with Grub2 in a SecureBoot context. It's unclear where the issue is at, but I didn't hear anything from the Ventoy devs, it's been awkwardly silent...

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https://forum.manjaro.org/t/grub-fails-t...ed/62522/6

Has a similar observation, with no solution.