Following the 'Grisaia Installation Instructions', I have run bootmenu.exe from the first folder.
This screen pops up:
I click on the first button and I get two error dialogues, one after the other.
I click 'Okay' on both of them and am brought back to the installer.
I am using a Fuwanovel copy of the game, have system locale set to Japan, and am using a 62-bit Windows 7 operating system.
I have tried to run the bootmenu.exe as admin and have unchecked 'read only' on all of the files, only to end up with the same result.
Also, here is a picture of some of the files in my step one folder.