It's your system m8 but a fully updated 8.1 should have a power and search icon in the top right corner of the metro screen which your above screenshot doesn't show. nevermind.

You could try removing all the languages currently installed; Japanese, English (us) and Philippines and add something completely new like English (
uk) or Spanish… turn off file snyc so the Microsoft store doesn't interfere, helpfully loading your saved profile from the cloud and reboot (that’s a shutdown not just a restart) the system. This should tell the computer to rebuild the language screen from the available options i.e English (
uk) and you could then add English (
us) or whatever back in once you get rid of the...