you don\'t use a program to open the files. make sure you\'re downloading the files, not opening them.
try right-mouse clicking on the link, then choose
Save Target Link As ...
and just save it as is. don\'t worry if your system doesn\'t know what to do with the file, because the reassember should know how to handle it. the reassember is that last thing you download, the .bat file.
ralph hogaboom