> while i usually use a mac for websufing, and avoid exploiter like the
> plague it is, i'd like to mention that i've found a good firewall very
> useful for blocking ad pages.

This, and using Mozilla (the full version, or the browser-only version
Firefox) for browsing. It tends to get hijacked a lot less, and since it is
not so tightly integrated with the system it tends not to get problematic
-- IF you need to get rid of something you don't know how, it's just a
reinstall of the browser.

Mozilla is pretty stable now, and the advantages IE still has are becoming
fewer almost by the day.

Gerhard

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