How to reset the application language.

You can alter the language setting as you like. Here I show you how to reset the language to the default.

Follow these steps to reset your user interface. Click on the green highlighted button.
Howto Restore Internationalisation Settings 1

Then, click on this green highlighted button.
Howto Restore Internationalisation Settings 2

Then, click on this green highlighted button.
Howto Restore Internationalisation Settings 3

You will see this Message in your default language. Again, click the green highlighted button.
Howto Restore Internationalisation Settings 4

The application will shutdown. When you restart the App, you will see that your default language is active.
Howto Restore Internationalisation Settings 5