I cannot launch/start a project in mac

I subscribed and, for 2 days, I am really having got a bad installation experience in my mac. Now, I cannot launch a project. Nothing happens…

SOLVED: Uninstalling (4.7 Preview 5 and 4.6.1) and reinstalling (4.6.1). Everything seems fine now.

OP solved issue: “SOLVED: Uninstalling (4.7 Preview 5 and 4.6.1) and reinstalling (4.6.1). Everything seems fine now.”