As a member of the, ahem, older generation, I have difficulties coping with computer technology. A little help from a younger member of this site might be helpful. Thing is, I have a bug in my computer. Actually, it is in my monitor. Every so often, as I am trying to read my screen, this bug crawls out and scuttles across the screen. It may not even be a bug. It seems to have too many legs, and I think it may be a spider. It's about 2mm long, has 8 legs, and runs very fast. I have tried spraying the screen, with no result apart from making it difficult to read. The only time I tried spraying i