Sanyo PLV-Z3 Multimedia Projector "aliens pictures" Questions

Sanyo Z3 "Predator effect" problem When hdmi upconverting to 720p (with Oppo 981 player) approx 1 hour or so into a movie, the picture will suddenly change to a distorted multi-colored image much like

I have a vertical shadow about 1-2 ft in width running up the right side of the projected picture. The bulb was just replaced this year and the shadow didn't start until some time after the bulb was ...