Add these lines to your HOSTS file;
...
# [Yahoo]
127.0.0.1 adinterax.com #[eTrust.Tracking.Cookie]
127.0.0.1 mi.adinterax.com
127.0.0.1 tr.adinterax.com
127.0.0.1 www.adinterax.com
127.0.0.1 pic.geocities.com
127.0.0.1 visit.geocities.com
127.0.0.1 hostingprod.com #[SecuritySpace.WebBug]
127.0.0.1 adserver.yahoo.com
127.0.0.1 au.adserver.yahoo.com
127.0.0.1 in.adserver.yahoo.com
127.0.0.1 uk.adserver.yahoo.com
127.0.0.1 us.adserver.yahoo.com
127.0.0.1 pn1.adserver.yahoo.com
127.0.0.1 pn2.adserver.yahoo.com
127.0.0.1 tw2.adserver.yahoo.com
127.0.0.1 bc-beta.ads.yahoo.com
127.0.0.1 xpcs.ads.yahoo.com
127.0.0.1 srv1.wa.marketingsolutions.yahoo.com
127.0.0.1 srv2.wa.marketingsolutions.yahoo.com
127.0.0.1 srv3.wa.marketingsolutions.yahoo.com
127.0.0.1 advision.webevents.yahoo.com
127.0.0.1 ads.yimg.com
127.0.0.1 richmedia.yimg.com
127.0.0.1 ts.richmedia.yahoo.com
127.0.0.1 www.yahoo.com
127.0.0.1 messages.finance.yahoo.com
...
(I just added the last two - the rest can be found in the excellent HOSTS file found here; http://www.mvps.org/winhelp2002/hosts.htm
...for those of you still forced to use Windows, it is very useful in dealing with the malware and spyware crap out there.)
