To determine if an antivirus product is installed properly. You can use eicar.com from EICAR - European Institute for Computer Anti-Virus Research http://www.eicar.com ).

http://forum.pcdvd.com.tw/showthrea...&threadid=94007

This is a small .COM file used to test the effectiveness and operability of on-access and/or on-demand scanning of an antivirus product.