1. If you don't mark secure boot option here, you must also disable secure boot option in your BIOS.
2. If you mark secure boot option here, you will get the blue screen for the first boot time and you must follow the instuctions here: https://www.ventoy.net/en/doc_secure.html
2. If you mark secure boot option here, you will get the blue screen for the first boot time and you must follow the instuctions here: https://www.ventoy.net/en/doc_secure.html