[Alan Lomer]

Hi Andrei,

You can go back to a previous version if you follow the steps here:

https://helpx.adobe.com/creative-cloud/help/download-install-app.html#topic-3
(You have to go to the ‘Find Additional Apps’ section, click ‘All Apps’ and choose ‘View Previous Versions’)

I had to install 2015 as that worked fine without problems. Pressing play in AE 2017 in any project crashed with this screen: