Try CD/DVD in the boot menu. It fixed the error for me. :)
I also recommend to install the ISO like this (It fixes the Can’t mount USB error, because some USB tools doesn’t rename the USB label correctly):
(I can’t post the direct link because Akismet Anti-Spam is too paranoid!)
Google: antergos create a working live usb
Which boot option do you select?
Antergos Live System (usb)
With version 18.08: There is no problem
I also get the message Before the “Blue screen” “/EFI/archiso/vmlinuz.efi not found” and the file is missing in the ISO.