Take a look at this thread and see if it helps.
http://www.malwareremoval.com/forum/...p?f=11&t=44519
It sounds like you may have some malware on your machine that is preventing you from accessing this page. This can sometimes be difficult to detect.
I have downloaded the Office 2007 Compatibility Pack from Microsoft and dropped it on the root on my web server. Try this link to download it from my site.
http://www.geekinesshardcore.com/Fil...Converters.exe