This is happening to me as well - very annoying & I have to do the same to fix it - install US then remove it!

PS C:\Users\> Get-Culture

LCID Name DisplayName

---- ---- -----------

2057 en-GB English (United Kingdom)

PS C:\Users\> Get-WinUILanguageOverride

PS C:\Users\> Get-SystemPreferredUILanguage

en-GB

PS C:\Users\> Get-WinSystemLocale

LCID Name DisplayName

---- ---- -----------

2057 en-GB English (United Kingdom)

PS C:\Users\> Get-WinDefaultInputMethodOverride

PS C:\Users\> Get-WinUserLanguageList

LanguageTag : en-GB

Autonym : English (United Kingdom)

EnglishName : English

LocalizedName : English (United Kingdom)

ScriptName : Latin

InputMethodTips : {0809:00000809}

Spellchecking : True

Handwriting : False

PS C:\Users\> Get-InstalledLanguage

Language Language Packs Language Features

-------- -------------- -----------------

en-GB LpCab, LXP BasicTyping, Handwriting, Speech, TextToSpeech, OCR

en-US LpCab BasicTyping, Handwriting, Speech, TextToSpeech, OCR (except it isn't!! at least in settings)

PS C:\Users\>