If you are looking for help and support plus help on Windows Live then you should start by looking at the Microsoft Answers Windows live site.
You can ask questions of the community and if you want also get involved and help other people out with their problems.
The forums are split into 4 areas at the minute.
The current top Windows Live Answers are:
The Microsoft answers site has some nice features as well including a web slice for the current top answers, which I have added to my toolbar.