I updated from CC 2015.5 to CC 2017 today, both PS and Bridge, and had a ton of problems with freezing up and crashes. The installation seemed to go fine so I made the change on two different Mac Pro computers, both running on El Capitan 10.11.6, before I figured out that there was a problem. Not so smart you are probably thinking! After several hours of trying to fix the mess I decided to revert to the previous versions of CC that I had been using, PS 2015.5 and Bridge 2015.
Do a search on the internet and you will see that many people appear to be having problems with the 2017 version of PS. My advice is to avoid the 2017 updates until Adobe fixes the bugs.
Sandy
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