>I can not let him 5 minutes alone.
Can't you close the Universal Thread?
> How can I set password protected screen saver?
That seems to be a standard option in screen savers. To select a screen saver, right-click on the desktop, select "properties", and then select "screen saver".
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
