Windows 10: Mismatching windows language and regional format lead to problems with app default languages

Conditions: My Windows is set up with English US as its primary language. However, I vastly prefer Russian date&time format dd.mm.yyyy and 24h, so I set it after the initial setup. I think this is where the problems come from.Problems: Some applications of recent note, Nearby Share Beta by Google and some installers like InstallWizard ?, but there were plenty seem to be using d&t format to choose the language they are in - fully or partially - so now I have mostly English Windows with Russian language mixed here and there in the apps.Steps to reproduce: Set Windows language to

:)

 

Windows 8.1 update changed the language, can't change back

Maybe, these will help... it seems it is a common enough problem.

Language packs are no longer available after you upgrade to Windows 8.1

And, sort of the same here --> Add a language or keyboard

Quote from above MS web page:

Spoiler Download and install language packs
You'll need to download the language pack if you want to make a language your Windows display language (that's the language you see most often in Windows and apps).

• Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings.
  (If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, click Settings, and then click Change PC settings.)
• Tap or click Time and language, and then tap or click Region and language.
• Tap or click a language that says Language pack available underneath, and then tap or click Options.
• Tap or click Download. The download process might take a while, depending on your PC and the size of the language pack.
  If you want to make this your display language, see the next section "Change your Windows display language".

Change your Windows display language
To change your Windows display language (that's the language you see most often in Windows and apps), first add a language, download and install the language pack, and then follow these steps.

• Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings.
  (If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, click Settings, and then click Change PC settings.)
• Tap or click Time and language, and then tap or click Region and language.
• Tap or click the language that you want to set as your display language.
• Tap or click Set as primary to move the language to the top of the list. If the language can become your Windows display language, you'll see Will be display language after next sign-in appear under the language.
• Sign out and then sign back in to finish.

And here is some more info --> Add Language Packs to Windows

 

Arabic language font problem

Hi,

We understand the inconvenience you are facing and will assist you.

I suggest you to remove the language pack, download the language pack and set it as default and check for status.

To remove the language pack, follow the steps below:

• Click on Start>Settings>Time & Language.
• In the left pane, click on Region & Language.
• Select the language and click on Remove.

To add a language pack, follow the steps below:

• Click on Start>Settings>Time & Language.
• In the left pane, click on Region & Language.
• Click on Add language.
• Select the language from the list, download and set as default.

Hope this helps. Keep us posted on the status for further assistance.

 

Language

Hi Sassy,

To remove the Croatian language in Windows 10, we suggest that you follow these steps:

• Open the Settings app, select Time & Language, and click
  Region & Language.
• Under Add a language, select English, and click
  Set as default.
• Select the Croatian language and click Remove.
  
• Close the Settings app, restart the computer, and check if the issue persists.
  

Let us know if the steps provided worked for you.