I'm coming up with an error when I try to un-zip the map tools provided on this page. Here is a picture of the error when I double click on the zipped folder: Here is a picture of the error when I try to extract the folder: I'm using windows 8 64bit. I've tried re-installing, and downloading winrar instead of using the generic win8 to unzip the files. Please help! I really want to have a go at making my own maps.