Description: You run your game as you usually do, but once in the game on a server you notice that all of the custom text, of any kind has in red lettering: UNLOCALIZED[ ] around it. I mean ANY text variables in game!
It turns out that Windows 7 (maybe all Windows from 7+) if a bad sector appears it can and will restore a version of the folder (in my case CoDUO) that is not fully installed in the registry!
FIX: Open explorer, go to the folder COD is installed in and right click the cod folder. Click “Previous Versions” and wait for it to populate. Click on the old version of that folder and paste it back to the install folder!