Hector ep 1 won't run on my Mac

Snorri

I recently bought the complete series of Hector on Steam but when I try to start the game I get the message "The application Telltale Games quit unexpectedly."

This only happens with the first episode. The other ones star up and run normally.

I have tried uninstalling the game and downloaded it again but it made no difference.

Can anyone please help me with this?

Snorri

I'm still waiting for an answer if anyone would be so kind.

I still haven't begun playing the games since I would like to start from the beginning.

Again, Help!