I have a win98SE Machine that been working fine. I needed to do the annual
cleanup, so I opened the machine up [which I've done many times before,
without any issues]. However, after I put everthing back together, I wanted
the start the unit, so I pressed the power button, all I ...

From time to time, my desktop icons rearrange themselves, into columns on
the left. It isn't a big problem, as I have EZdesk, but I am curious about
two points:
1, obviously - what causes it?