"Help!" he shouted, but his voice was flat, compressed, lacking reverb.

He tried to move the mouse, but the cursor was gone. He tried Ctrl-Alt-Del. Nothing. The keyboard was unresponsive.

The next morning, the café owner arrived to open up. The power had come back on during the night. He walked to the back, wiping down tables. He noticed a computer still running.

AutoCAD 2012 is a "retired" version and is no longer officially supported by Autodesk Support .