Open FX tab does not open in Color page

Hi, since version 17.0 in the color page the Open FX tab does not open when clicking on Open FX although the effects are loaded (in the edit & fusion page). I have the studio version. Any recommendations?

I can't duplicate this. It works fine in Studio 17.1 b10 for Windows.

Still causing this problem in version 17.1 studio version and mac OS Catalina: in the color page the Open FX tab does not open when clicking on Open FX although the effects are loaded - in the edit & fusion page everything works fine. Any recommendations resp. help? Thanks in advance

Problem solved! It’s about two monitors: Dual screen "on" is the right setting.