I'm not worried about the values within the config.ini file being wrong, I'm only worried that the file itself is corrupted somehow, for instance, like it could get corrupted with 2.0 Beta 11.

Look at the file in Emplode and see if looks right. If it looks right, there's no need to overwrite it with anything. If you feel like overwriting it, yes you can copy one over from another player or just edit it whole-hog in Emplode.