There are a lot of nasty viruses going around at the moment.
I was scared of the machine so always put off doing the hosts fixes Ron, the WM of the excellent Tesas Tea Mails (go Google for it and join, you won't be sorry) tells us to do.
Well, I got a bad hit despite everything and my clever husband had to reformat the hard disc. Before I do any PTP links I will be updating my hosts files.
This is Ron's latest post but apparently this is for Windows XP so Vista might be different.
The MVPS HOSTS file was recently updated [January-08-2009]
http://www.mvps.org/winhelp2002/hosts.htm
Download: hosts.zip (145 kb)
http://www.mvps.org/winhelp2002/hosts.zip
How To: Download and Extract the HOSTS file
http://www.mvps.org/winhelp2002/hosts2.htm
HOSTS File - Frequently Asked Questions
http://www.mvps.org/winhelp2002/hostsfaq.htm
Note: the "text" version makes a great resource
for determining possible culprits ... (610 kb)
http://www.mvps.org/winhelp2002/hosts.txt
Sign up for HOSTS file update notices
http://www.mvps.org/winhelp2002/updates.htm
Visit the Hosts News blog
http://msmvps.com/blogs/hostsnews/default.aspx
Mike Burgess
Microsoft MVP - 1999-2009
"There's no place like 127.0.0.1"