I closed it down because my internet went crazy last night (my time). Had a power out on the ISP connection for some reason. So I cut all third party links afterward while I investigated it a little more. I`ll rebuild it and edit this post when its up again.
EDIT: Probably won`t work, as frodo suggests their do seem to be problems at your end. But try;
download done, link now removed.....
4 of the required files download for me and 1 opens to show the MD5 details inside. Let me know when you`ve finished with it so I can delete it and the link again please. I`ve also started an alternative links page here for the SFII and the Vivacity;