i have an unsecured wireless network in my apartment. I recently was on my laptop and the touchpad mouse was disabled saying it had been disabled because a new pointing device had been added to my computer, that was weird because i had not plugged a mouse into the laptop. After that I notice a file i had never seen before on my desktop and I have no idea how it got there. so i checked the properties of the file and it said it had been last accessed at a time that i was not even home, and no...