cubase 8.5.10 Crash on opening

Hi,

I just bought Cubase 8.5 upgrade yesterday. I can’t launch the software, it crashes immediately. The last image I see before the crash is the following: (see attachment)

My version of Cubase 7.5.40 works fine.

Any Ideas?

Thanks

MBP Mid-2015, 16gigs Ram, OSX 10.10.5
1Tb Hd.
Capture d’écran 2016-03-08 à 16.26.53.jpg