Well, i have had this problem like over 3 month now, and i didn't care that much.
But if there's already some support forum why don't use it.
If i'm going to take a screenshot, my screen freezes like ~15 seconds, i can't do anything while this time.
For some reasons this jsut happens fo the "first screenshot".
The following screenshots are done in like 1 second.
Screenshot setup is "jpeg" and "max quality" (I already tried to take the first screenshot with lowest gravity, but it had no effect.)