Web query - Unable to open
 

I'm running an excel sheet with a series of web queries. They seem to work
for most people, but a couple of people get the following message:

"Unable to open
http://moneycentral.msn.com/investor...sp?SYMBOL=MSFT.
The internet site reports that a connection was established but the data is
unavailable."

It seems to happen regardless of what website I'm using.

Does anybody have any reason why this works for some people and not others?
Is it a setting within Windows, Excel, or Internet Explorer?