I think he means when he opens pictures on his computer, they open in notepad and he gets jumlbes of characters.
If thats the case, right click the picture, go to open with, and simply choose a picture viewing program. I think one of the choices is windows picture viewer, or something along those lines. Thats generally the default.
Edit: Bah like 29 people beat me to this. and yes this has nothing to do with proxies.