I'll get right to the point. You don't need to install any additional software. I tried this out and not 1 single packet was able to pass through. Here Goes. Click > Start Click > Run Type "misconfig" in the box, without the quotations. Hit enter. "System Configuration Utility Box Will Appear." Click > Static VxDs tab Scroll down and uncheck the box beside "Vnetbios" Click ok. That's it See screenshot. This works on Windows me. I'm sure it does on windows 98 also.