Open notepad and paste this:

X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*

Save it as eicar.com. The Anti-Virus should stop you (if it does that means its working).

Don’t worry about it. European Institute for Computer Anti-virus Research (EICAR) have got people to program Anti-Virus to recognise this as a threat (even tough it’s completely harmless)…