Wireless Network - How do I block access to my PC?

I am logged in on an unsecured wireless connection. I would like to
know if and how i can prevent others on the network to see me, or at
least, prevent them from accessing my PC. Anyone care to direct me to
a site with simple step-by-step instructions or just let me know what I
need to do if the procedure is fairly easy.

TIA

On 11 Sep 2006 11:10:51 -0700, in alt.internet.wireless ,
"lukus2005@gmail.com" <lukus2005@gmail.com> wrote:

>I am logged in on an unsecured wireless connection. I would like to
>know if and how i can prevent others on the network to see me, or at
>least, prevent them from accessing my PC.

Assuming Windows, turn off file and printer sharing, and ensure that
the firewall is switched on. Both of these have gee mom,
follow-the-bouncing-ball wizzards in Windows, if you like that sort of
thing.
--
Mark McIntyre