>>I have just received the happy99.exe virus from someone via email. What action should I take (I haven't opened it).
>>
>>- Inform my ISP?
>>- Inform the user that they have been infected?
>
>Just deleted it.
>If you opened it, there are many article on the net that show how to get rid of it.
>Time for AntiVirus tools.

I didn't open it. I don't open attachment that I didn't ask for. :-)