How To Reset input Language and Bar settings on Windows 10
On windows 10 update 1709 there some problems with the language input and bar on the task bar, to reset to default go to settings and remove any additional language from there:
Then reboot the computer ! After restart go to setting -> Personalization -> Task Bar -> “Turn System Icons On or Off” -> select on at “Input Indicator”
Then return to the Language setting windows -> settings -> “Time & Language” -> Region & Language” -> Re-add the language you want.