Computers can not escape from the use Antivirus software.
Actually, if we often use the computer for the Internet, a lot of Antivirus software provider that provides free services to detect our computer.
And actually this service we can also use to simply Antivirus software review of the appropriate or suitable to your needs. I just remind you, that Antivirus software is all good and the design as safe and as comfortable for our use. Any software that would certainly have advantages and drawbacks. And it all depends on your choice to select the Product in accordance with your needs.
Maybe some links below that provide free service from free service providers can scan you use to review and find out your computer in safe position or not.
Ok good luck and hopefully useful.
AntiVirus Free Online Scanner
http://us.mcafee.com/root/mfs/default.asp
http://www.pandasoftware.com/products/ActiveScan.htm
http://www.kaspersky.com/virusscanner
http://www.bitdefender.com/scan8/ie.html
http://www.drweb-online.com/en/virustest.html
http://security.symantec.com/sscv6/WelcomePage.asp
http://www.kaspersky.com/virusscanner
http://onlinescan.avast.com/
http://www.eset.com/onlinescan/index.php
http://www.f-secure.com/en_MY/security/security-lab/tools-and-services/online-scanner/