Language data is stored in the english or localization folders.
This often happens if the localization.txt file in your root directory still points to the old language. Opening this file with Notepad and changing the first line to english can often fix the mismatch. call of duty advanced warfare language pack english
On consoles, language is typically tied to the settings or the Store Region from which the game was downloaded: Ensure your console’s system language is set to English. Language data is stored in the english or