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Guys, does anyone know the problem of this noise on render. Daz3d stopped rendering with this noise. What is the cause of it? Or do you know some way to fix it? Sorry for the English, I'm writing through a translator..... It's also my first rendering
That looks like fireflies and not normal noise. Normal noise or grain will eventually disappear during the render process. Fireflies wll not. The causes for these out-of-place pixels to appear in one render are not clear and they may appear in both underlit and overlit scenes the same.
The first recommendation is to enable the Firefly filter if it's not already in that state.
In that same Filtering tab, under Render settings, there's the 'Noise Degrain Filtering', that will most probably help get rid of fireflies when nothing else will do, as Rauko explains in this short videotutorial.
I would recommend you to see that YT video. Rauko has many more videotutorials, by the way. And for what I've seen, they are easy to follow. And the guy has a lot of experience with Daz and certainly knows how to make good renders.