Yes, there is missing US keyboard. Run this command from cmd.exe or add value below to registry. Then open taskmgr
(ctrl + shift + esc), kill process explorer.exe and by "File" -> "New task" start again. Then remove US keyboard, the option will be there.
reg add "hkcu\keyboard layout\Preload" /v 5 /t REG_SZ /d 00000405
HKEY_CURRENT_USER\keyboard layout\Preload 5 REG_SZ 00000405