Alerts all over my computer to get protection, what to do?

it's a scam...Here is a list of free online virus scans Safety.Live.com (That one is Microsoft's) Symantec.com Housecall.TrendMicro.com Comodo.com...Comodo.com offers free manual disinfection and a free security suite from the makers of Comodo Firewall Pro...Avira.com now offers free antivirus and antispyware...besure to turn off onboard antivirus before starting online scanner