BlurGamer

Hi There Im From Argentina (so sorry for my bad english) I was ussing paint.net Normally it was working perfect But one day i have some Problems .. When i try to use The "Color Dodge" It dont work: the color dont change and nothing happens ( I hope you understand what i say ) Some one have a solution for this? I update Paint.net but its the same Edit: And i try to Unistall And Istall Again But Dont Work