This is a common problem I’ve come across at work and I couldn’t find a simple fix for it, Google results just didn’t cut it and I didn’t like the WAMP forums.

If you get a page time out in Firefox when trying to view your localhost/127.0.0.1 then it’s a high probability that you’re behind a proxy. Most people would have directed you to the ‘hosts’ file located in your Windows directory. But that may not work, if this is the case you want to do the following.

In Firefox click:

Tools
> Options
> Advanced Tab (displayed with the Cog icon)
> Networking Tab (See screenshot)

If you’re running a proxy, you’ve most likely got your details in there already so you can access the internet. What you want to do is where Firefox says “No Proxy for:” and the field, you want to enter “127.0.0.1″ in along with your local IP addresses if you wish. Click ok and get back to the browser and you’re all set. Another screenshot below for reference also.