Hi Vito - now you know why the Ventoy solution is unofficial. I have replied elsewhere on the need to update to the latest, ver 1.104 or later, as it fixed a bug with booting the latest TinyCores.
I can verify that the one you are using here, ver 1.099 will NOT work. Some people are hanging on to this version for the different way it handles Windows secure-boot. Whatever - get the latest version if you want Ventoy to boot the TC 64-bit iso on modern uefi machines such as you have.
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