You need to clear your cache. Your browser keeps downloading the corrupted version. You see, instead of your browser downloading a new version each time, it saves time just visiting ones in your temporary internet files. This is why webpages tend to load faster after the first time you have views them. So instead of downloading a new version from
stuffplug.com, it just keeps loading the old corrupted version.
You can download from an unoffical mirror here
(I have the lastest version there, I know it is safe, but you can clear your cache, if you know how, or download from there
) Programs become corrupted all the time, it just was your turn for it to happen to.
However, if you do not want to download from the mirror, follow these instructions for clearing your cache. (I think you are using Internet Explorer):
[list=1][*]Go to the properties section, you usually get here by right clicking the icon on your desktop.
[*]In the general tab, find clear temporary internet files and click delete.
[*]It is that simple, now try re-downloading the file. It may take some time to clear your temporary internet files mind you.[/list]