Dear Users.
4R7P3 64bit.
I try to export Normal/Albedo with Grab Doc for Tiling Workflow.
Document Size 4096x4096
> Flat Color > GrabDoc > Export … no Problem
> NormalRGBMat > Render Palette > “Best” … > UI freezes in curious way:
I can Alt-Tab switch to another app and if I Alt-Tab back to ZB my Action is shown, for example, I click on Texture Popup > nothing happens, as long as I do not move cursor and Alt-Tab back/forth between running Apps … it updates the ZB UI.
15 SubTools, max. 6M Active Points per ST, entirely <50M; 16GB Ram, QuadCore 3,5, GTX770
Please give me advice, I heavly rely on this workflow.
Thank you VERY MUCH 
And best wishes