>Thank you, Hilmar. Did you have to disable the Win XP fire wall or anything special to make sure that ZA coexists well with XP?
I did nothing at all - just install ZA.
If you already have a license of the commercial product, I think you can try it without much risk - you can uninstall it later, if it doesn't work.
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)