Maybe these links can help:

http://support.microsoft.com/kb/241344/EN-US/
http://www.geekstogo.com/forum/lofiv...p/t120033.html
http://support.microsoft.com/?kbid=303807
http://support.microsoft.com/kb/326155

I don't think this is it, but you might find an answer here:

http://www.windowsitpro.com/Articles...layTab=Article

And I forget if it's been suggested, but have you tried with a different browser?

Sorry I can't be of more help.