Test the Antivirus of your computer
Now you can test the antivirus of your computer, whether is it works or not.
First, open the notepad and paste this code there
X5O!P%@AP[4PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
Then the file save as myfile.com
When you save the file, if your antivirus detect it as virus your Antivirus is OK !
It is called EICAR test
EICAR = European Institute of Computer Antivirus Research.
Best regards, 
Alamgir Hossain Shemul