Drop the whole Antivirus 360 thing altogether, there's a good reason for that. Antivirus 360 is a so called rogue security program, which essentially means it's a fake virus remover, which fools users into buying it by displaying fake threat reports. You can remove it according to these instructions: http://www.2-viruses.com/remove-antivirus-360
Are you talking about Norton Antivirus or the rogue anti-spyware program Antivirus 360? Antivirus 360 is not a good program! You should read here http://www.spyware-techie.com/antivirus-360-removal-guide/ and remove it right away!
Green AV is a misleading antivirus application. I really doubt that registration email and key will help you. You should remove this infections from your computer as soon as possible. Use MalwareBytes anti-malware, Spyware Doctor or SuperAntispyware
Require registration number for free avast antivirus home addition.
Norton 360 is best at this time..
antivirus software, such as Norton 360
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There are a few ways you can do that. Like most rogues, it's best to remove Antivirus 360 manually: http://www.2-viruses.com/remove-antivirus-360 If that seems too difficult for you, you can try Spyware Doctor, found in the same site, or a combination of ComboFix and Malwarebytes' Anti-Malware
I'm afraid that's pretty much impossible: Antivirus 360 is a fake program built for the sole purpose of making money without actually providing any service. If you need help removing this parasite, check http://www.2-viruses.com/remove-antivirus-360
Types of antivirus programs you can buy include AGV antivirus or Norton 360 antivirus software. Some are cheaper than other so you must choose what is more economic for you.
Check this link: http://www.2-viruses.com/remove-antivirus-360 Read the comments section in particular ;)
Go to your email, find email from Nexon, and confirm it
Yeah Its Free... See the related link below to download.