If your game launches to a black screen after applying the patch, it usually means there is a mismatch between your game version and the language files. Ensure your "GDFBinary" file in the root folder matches the "en_US" naming convention. If the game refuses to boot, delete the "Layout.toc" file in the root directory and let the EA app (or Origin) repair the file structure, though you may need to re-apply the registry fix afterward. If you'd like, let me know:
Edit the Update Folder. If you have the Zero Dark Thirty or other DLCs, you must also copy the English "Loc" files into the "Update" folder subdirectories, or the game may crash when loading those specific maps. Troubleshooting Black Screens medal of honor warfighter english language patch extra
Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\EA Games\Medal of Honor Warfighter. Change the "Locale" string to: en_US. Change the "Language" string to: English (US). If your game launches to a black screen
If you are trying to restore the English language files to a version of Medal of Honor Warfighter that was locked to a specific region (like Russia or Poland), you typically need to manually inject the localization "extra" content. Medal of Honor Warfighter Language Restoration Guide If you'd like, let me know: Edit the Update Folder
Copy the English Files. Drop the "en.sb" and "en.toc" files into the "Data/Win32/Loc" directory.
Backup your game. Copy your "Data" and "Update" folders to a safe location before making changes.
Are you getting a or just a black screen?