Installer stopped working. For no reason whatsoever.

Apparently where I was "stuck" I was just supposed to wait long. Now when I try to boot off of my USB, I would get to the blue screen where I select the USB, then instead of getting that little menu on the top left where you select MacOS, I just straight-up skip that and get sent back to the blue screen where I HAVE to boot with Windows.
I didn't change ANYTHING and I'm 100% sure that I put the right files back in the USB.
What could've happened???

GeForce GTX 745 (2 GB)

QuadCore Intel Core i5-6400, 3300 MHz (33 x 100) - CPU type
ST1000DM003-1ER162 (1 TB, 7200 RPM, SATA-III) - Disk drive
ECS H110H4-CM2 - Motherboard
Intel Sunrise Point H110, Intel Skylake-S - MB chipset

submitted by /u/Particular_Ad6495
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