http://helpdeskgeek.com/networking/how-to-fix-cannot-renew-ip-address-in-windows/

Phillip found that resetting the firewall fixed internet access to a computer he was working on. I always disable the firewall if I cannot get internet. Just something to be aware off.

From Leo Laporte, Gazelle for recycling old cell phone’s computers etc.

Can search be rerouted. I found that i cannot search for security essentials.  But I can go to http://www.microsoft.com/security_essentials.com.  It will download and install. It will not update.  The automated updates will work.

Can search be modified like we do with dns?

I don’t get it