1) Yes, it's still accurate.

2-4) I can't help you with this. I'd stay away from the services unless you know exactly what you are doing.

5) Cookies are stored either in your browser folder or in the general internet forums. However, if it coming back, you should make a rule against accepting that cookie in the privacy-settings of your browser, then run Norton again.

7) Closing IE does not disconnect the internet. You need to pull the plug or instruct your firewall to block all transmissions.