The clock strikes twelve; it's midnight. Sitting at your computer, you scroll through long threads on forums so ungodly that it chills you to the core to read.
In the darkness, nearly pitch black and only lit by your dim computer screen, you hear the sound of footsteps. Your heart begins to beat fast, faster and faster until you realize... It's your roommate, getting up to get a snack.
Breathing a sigh of relief, you relax once again, but the horror is not done with you... It comes fast, in a flash, only taking four or so seconds to let out it's deafening screech though it does not need any longer...
"AVAST! VIRUS DATABASE HAS BEEN UPDATED!"