Coincidence? This is the third time in 4 months that I had my computer shut down. Usually after seeing a PM and trying to get to private messages. Then my computer will not budge. Closing a browser is impossible. Unplug machine and poof: Death. There are two alert windows open. One is behind the other. The one behind is an alert about a PM. After a few death screens, I decided to use Safari once in a while as it keeps track of all cookies and more, and I am familiar on how to peek inside what the browser was doing last.