If you do not have a licensed anti-virus software, you may use either of the free online virus scanners.

Simply click on the links below:

          Trend Micro 

 http://housecall.trendmicro.com

          Bit Defender 

http://www.bitdefender.com/scan/

          PC Pit Stop

http://www.pcpitstop.com/antivirus/AV.asp