Doing it that way worked for me, so I don't know what's happening on your end. All I can do is give you the link to the mod page, and see if you can contact the mod author for and read the comments for troubleshooting. http://www.nexusmods.com/fallout4/mods/3615/?
EDIT: Try right clicking on your Fallout4_move.ahk and selecting run as administrator.