The installer is likely not signed in a way Secure Boot trusts it. Verify the IS...

		ThePowerOfFuet on July 12, 2023 \| parent \| context \| favorite \| on: QubesOS – A reasonably secure operating system The installer is likely not signed in a way Secure Boot trusts it. Verify the ISO yourself with the PGP key, disable Secure Boot, install it, re-enable Secure Boot.