OK, so I have a 3G iPhone with the latest 3.1 software. I have a PC desktop and laptop and a Linxsys router. The wireless network works fine on the laptop. When I'm out there in the world and my iPhone detects an unsecured network it hooks up just fine. So bottom line my home network works fine and the iPhone works fine when hooking up with unsecured networks. When at home, the iPhone easily finds and identifies my home network. I try to connect. It asks me for my password which I know, but I check anyway to be sure I have it right. I properly put the password into the screen on the iPhone and click on join. After a few seconds it says "Unable to join the network "D#####k" and allows me to dismiss. So how does one join a home network without making it unsecured?