To update your profile click Your Stuff, you will find Your Stuff in the upper right of this page. Then select Profile and where you see My Products edit and delete as needed. It's really easy and will help those attempting to help you!
Additional means of getting info about your computer are available on this tip:
NOTE: PLEASE DO NOT GIVE US YOUR SERIAL NUMBER, OR YOUR E-MAIL ADDRESS. THIS IS A PUBLIC FORUM, AND THAT INFO COULD IN THEORY BE USED FOR IDENTITY THEFT, AND SPAMMING.