So if you've found this you may as well get yourself a cookie now, in fact go and grab a whole box, and you can eat them in bed too, because after you read this your life will change.
Well, at least if you're trying to make WAMPServer run in Windows Vista
Enough talk, here is the crucial info you need, and as you read what is below and eventually get wamp working, know in your heart that you did it The Agaric Way...
Step 1 - find this file
C:\Windows\System32\drivers\etc\hosts
Step 2 - open it
Step 3 - eat a cookie, you deserve it