It depends on what sort of problem you are having. There are a variety of numbers to call. You can find a listing of Xbox 360 contacts here.
http://support.xbox.com/en-US/contact-us#1
You can go to Xbox.com Support page. There they will have the number to call for your region and an email to contact if you prefer to use email
Xbox.com
The Xbox itself has a lot of instructions in regards to setting up an Xbox Live account. The information is also readily available at most specialty games stores and through Microsoft's website.
Yes. Find and select the Nexflix application on the Xbox dashboard. You will be prompted to sign in - from there, follow the instructions to activate the Netflix account. This will not affect your Netflix account if it has been activated on a different Xbox or system.
You will probably need to contact xbox support, prove that you are who you say you are (and not some kid trying to do an end run around his parents), and see if they can help you.
u cant
Connect to Xbox live then account settings
No, just change the email address in your Xbox live account.
Yes! When you buy a new Xbox 360 Elite when you proceed to create a new xbox live account you should find that the account will be given a free month (30 days) of xbox live. This is the case with the first 3 accounts created on that console.
At the dashboard click create an account!
If you account is connected to live then you should just be able to login on the new xbox. Assuming they are both 360
No only your xbox 360 will get bannd. You can get another xbox and recover your GAMERTAG on it. your account will not get banned !
Create a new account, if this doesn't help then go on Youtube.
It is possible to recover the 360 account on your classic xbox and vice versa. Just look for the "account recovery" option and type in the email and password for the account that you want to recover.