My mom's iMac (FP 800Mhz) has twice now done something scary that I've never heard of before. She said suddenly a black window opens up with text that is scrolling at an insane speed. The window gets bigger until it fills up the entire screen (the text keeps scrolling, never stops) and at the same time the desktop moves up to the top of the screen and eventually disappears, with the dock being the last part of it that's visible. She says the text appears to be a combination of numbers, symbols, and words but it's going so fast she couldn't read any of it except the word "unix". The first time it did this, it was after she hit the space bar to wake it up from sleep. The second time she was in the middle of doing something on the computer but can't remember what. I was recently home and installed 256 MB of RAM that I got from OWC. I have lots of experience installing RAM, so I'm pretty sure there's no problem with the installation. Could this be intermittenly defective RAM? It sounds to me like suddenly a unix window is opening, but I don't know much about that stuff or what could cause it. The only other thing I changed when I was home was I unplugged the mouse from the iMac's rear USB port and plugged it into the side port on the keyboard.