Mac OSX version: 10.10.2
--- EDIT ---
If you experience this problem, download and reinstall. Not sure why the update broke this application, but just reinstall and that should fix it.
Thanks for telling us about this. Do you have that information from the Report.. button? We'd like to see the detailed information.
For others, please do not reinstall the app yet. Just press the Report.. button to grab the detailed information and post it here for us to read.