Can you log into Subscription Services at https://microsoft.na.subservices.com/msdn/default.asp ?
I would suggest that you call MSDN customer support https://microsoft.na.subservices.com/msdn/Contact.asp

>I had tried that earlier before I responded, and I tried again now.
>
>I get the error message:
>"The subscription information you have entered is not valid. Note: If your subscriber ID number starts with a "0" (e.g. 0234567890), please try removing the leading "0" from your subscriber ID (e.g. 234567890)."
>
>Thing is, I have downloaded from MSDN before, so I don't know what's changed.
>