Wrong colored Areas

[the0bone_]

LrC 14.1 Camera Raw 17.1
Raw File from Sony. Import converted to DNG.

I did several adjustments to the picture.

Have 3 Masks

And in the Development screen I see such yellow blocks in that picture.

They are not visible in the Catalog View.

But if I export the picture, I get them at another place.

What is they? How to get them away!

[dj_paige]

My first thought — make sure your have the most current driver for your GPU. If it is an NVidia GPU, make sure it is the most current studio driver and not the game driver.