If people got a nice electric jolt every time they opened an attachment with a virus, we'd have no virus problem in a week's time. It's simple, really.
DON'T OPEN ATTACHMENTS UNLESS YOU ARE SURE YOU KNOW WHAT IT IS!!!!
I don't mean to single you out,
mad1. You obviously have enough sense to scan things first. But you would not believe how many students and staff here just blindly open any attachment sent to them.