which update you are being directed to get/ And what is the full error message when you attempt to install IE8?

How are you trying to install IE8? It is generally installed as part of the normal Windows Update procedures.

Which MS.com web site are you being directed to? Only when I type MS.com into my browser address bar I am taken to "Morgan Stanley is Founding Partner of Global Alliance For Clean Cookstoves; Will Help Combat 1.9 Million Premature Deaths from Traditional Cookstove Use..."