Same Problem Here

[Guest]

I had the same problem with a windows XP installation
where the Internet firewall sharing service was removed as
a threat and accordingly the firewall no longer works.

 

[Mikolaj]

I had the same problem with a windows XP installation

where the Internet firewall sharing service was removed as
a threat and accordingly the firewall no longer works.

One post below Bill Sanderson wrote:

Here's how to fix that up:

why, and an easy fix for XP SP2:
http://support.microsoft.com/kb/892350
Third party app for an easier fix for older Windows versions:
http://www.iup.edu/house/resnet/winfix.shtm

I think it will help.