I need to give you tip, so you can understand and better describe what the issues you have are.
You are getting the various applications mixed up with each other, which is understandable. (For a long time I thought Google was a browser.)
Bluelight is an Internet Service Provider (ISP). Such an organization basically charges you money to subscribe to the internet. They may also provide certain applications free of charge, or at a reduced rate, such as an antivirus.
What you use to connect to the internet is different. It is software installed on the computer. Typically for most people, this will be a Browser (like Opera, Internet Explorer, Firefox etc), and email program (like Outlook Express, or Microsoft Outlook, or Thunderbird etc.)
Also might be an instant messenger program, (quite common, but I don’t use them; there are many available) a P2P program, for file sharing over a network of users that have P2P active (examples are Limewire, Shareazaa, Ares etc.) (I definitely don’t recommend the use of one of these for the inexperienced. There are quite a few likely traps and problems with the incorrect use of them.)
Sites and services you might connect to using the browser include forums like this one, and many online mail programs, such as Hotmail, Gmail, Yahoo mail etc.
There are also services that might be provided by your ISP (such as Bluelight Mail, a way of checking email without needing an email program of browser), see here.
So when you refer to a particular application in a post requesting help, we need to actually know the detail of the program. In the context above, I think “Bluelight” might be referring to your mail client, but I don’t know.
Likewise “Windows Live” is not Cnet, but you might be able to access the Cnet forums by some shortcut or normal method using Windows Live, which is a service provided by Ms, and includes Hotmail, a messenger, various networking facilities, etc.
I know it is real confusing but you need to learn the different terminologies, learn what program each one uses (or can use) and post the information specific to each program in a request for help.
All the programs listed above are able to be run on your computer by virtue of the OS which in same cases has the ability built into it, and in others, allows you to install certain compatible software. In your case it is Windows Vista.
I really recommend a good read of the Vista Help Files as a first stop when trying to sort out system configuration issues. But you need a more broad spectrum view of how a computer works first. The help file on most applications is usually written with the assumption that the user knows how to use such an application first, and needs help with a particular version of it.
I hope that helps a bit in posting help questions.