What am I doing wrong?

Thank you merciful mentors!
which ones have no preview, I mean staying blank ?Kathy Engelhard wrote:I just opened the Particles Generator for the first time and using the browse to view presets, not all the presets open and the browser preview window is blank, nothing showing.
What am I doing wrong?![]()
1/2 of the presets ? ... can you name them precisely, or at least give us one of them,Kathy Engelhard wrote:... It's the browse window that I/2 of the presets do not show in ...
change the BG of your Project (left-down in the layer window)Kathy Engelhard wrote:... and unfortunately I don't see a way to change the BG of that window ...