Recently I downloaded Unfreez, for the fun of making animations. It's been working just fine, i havent had any problems with it until today. I went to open it like normal, but it tried to open with Paint.net, NOT normal. Of course it can't open with Paint.net, but now I don't know how to fix it. Does anyone know anyway I can get it working again. I've even deleted and downloaded it various times, but it still keeps trying to open with Paint.net. Please help!