Flashing green and jittery screen!

[Nico Boxer]

Something is terribly amiss in my Photoshop. Just upgradted to lastest version. Working on Mac Monterrey.  I keep getting a flashing, bright green screen every time I make any kind of move or adjustment. Actions are not working properly. When I try to resize, view larger, etc...I get jitters then green sometimes the green staty there and sometimes it's just a flash. This progam is terribly messed up. Please let me know what I can do. I have quit, restarted, shut off native canvas thing in technology previews..  nothing is working. And neither am I because of this.    

[Nico Boxer · Accepted solution]

Well, I learned that I needed to reset my preferences. I have NEVER had to do this before. It's working now, so let's hope that takes care of it. Still, come on Adobe! 

[georgiam11146070]

What are the preferences?