The most recent issues seen this week are not related to the OP's initial post.  However, I will take this opportunity to say that yes we're aware of some issues that have surfaced since our announcement Monday and we're working to get them resolved ASAP.

 We're very sorry for any inconvenience this is causing but we're working hard to identify and correct the source issue(s). 

I am having the same problem

My PC : Windows Vista SP1

Browser : Firefox 3.0

Its happening since yesterday. I couldn't download 2008 Vol 3.

It even happened on Windows Server 2003 Std Edt

I tried from the outside the company network and same error.

If anyone is still having problems with this, check with your company's internet administrator. WebWasher was causing the problem for me.

I already have the software that I need but I have attached a screenshot of the error.