Seeing the same thing as @awakening. It appears somewhere along the way the identify a movie based on the folder name instead of the file within the folder determined the name of the movie changed. I recently had to start from scratch with Media Browser (my issue not Media Browsers), however, I had about 100 movies where the files names were Year - movie name.* but the folders were clearly identified with the movie "name (year)". This had never been an issue until I re-installed Media Browser.
Personally, I've corrected the issue manually but fixing all those "Year - Movie name" files within the same folder. However, for new MB3 users this could lead to a very frustrating first experience with this awesome application.