on 17.4.01 1:51 PM, Edwards, Waverly at wedwards@... wrote: > Good question. The shortest period that I've encounted is (I think) eight > to ten hours. I come back and all the memory has been eaten. This morning > I turned the computer on with extensions off. When I get home from work > I'll check. Is it a laptop ? If so, you may have been putting it to sleep on its side. Even a small angle can make a difference. All the zeros roll down to one side, filling up the memory with ones. Phil.