Don’t upgrade: Application crashes when launched

Since I’ve installed the 4.0.0 update the application keeps crashing when I start it. I have the splash screen and then it crashes…

iMac 27-inch, Late 2012; 2.9 GHz Intel Core i5; 8GB; NVIDIA GeForce GTX 660M 512 MB; Mac OS 10.9 Maverick

Stupido123 about Angry Birds Seasons, v4.0.0