Norton Safe Web uses Norton Accounts to manage user accounts. When you signed up for an account on Norton Safe Web, a Norton Account was created for you. If you need to change your password, then login to your Norton Account and select "Change Password".
Forum moderators as well as members of the PCSX2 team tend to be quite disrespectful and or ignorant in they're responses. Not to mention most viruses when they are detected are usually detected in the forums.
Thanks for joining the Norton Safe Web community. Since this is your first time signing in, please provide a display name for yourself. This is the name that will be associated with your reviews. It will be viewable by everyone. You will not be able to change it later.