Hi, I am having trouble downloading the 2.9 beta as everrytime the file downloads and i go to open it it is delted from my downloads. I have got windows 8 anybody help?

I have downloaded DOW II and have also got the Elite Mod and downloaded all the parts that are needed. However I have loaded up the game and the graphics dont seem to be loading for example when I am choosing my hero I no longer can see the picture of the hero that I am choosing. Also when I am usin...