Cubase 9.5.10 maintenance update

Hey dear community,
after install I’m having all sorts of problems. Running on a MacBook Pro Mid 2012 / 2.6GHz / 16GB RAM /OS X Sierra.

CuBase takes forever to open, even after trashing prefs. Opening projects also takes forever. Omnisphere 2 also takes a long time to load and to change presets. Sometimes they don’t load and sometimes Cubase crashes.
Any ideas?